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Vulnerability Details :

CVE-2022-21710

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-24 Jan, 2022 | 19:45
Updated At-22 Apr, 2025 | 18:32
Rejected At-
Credits

Cross-site Scripting in ShortDescription extension

ShortDescription is a MediaWiki extension that provides local short description support. A cross-site scripting (XSS) vulnerability exists in versions prior to 2.3.4. On a wiki that has the ShortDescription enabled, XSS can be triggered on any page or the page with the action=info parameter, which displays the shortdesc property. This is achieved using the wikitext `{{SHORTDESC:<img src=x onerror=alert()>}}`. This issue has a patch in version 2.3.4.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:24 Jan, 2022 | 19:45
Updated At:22 Apr, 2025 | 18:32
Rejected At:
▼CVE Numbering Authority (CNA)
Cross-site Scripting in ShortDescription extension

ShortDescription is a MediaWiki extension that provides local short description support. A cross-site scripting (XSS) vulnerability exists in versions prior to 2.3.4. On a wiki that has the ShortDescription enabled, XSS can be triggered on any page or the page with the action=info parameter, which displays the shortdesc property. This is achieved using the wikitext `{{SHORTDESC:<img src=x onerror=alert()>}}`. This issue has a patch in version 2.3.4.

Affected Products
Vendor
StarCitizenTools
Product
mediawiki-extensions-ShortDescription
Versions
Affected
  • < 2.3.4
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
3.14.7MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Version: 3.1
Base score: 4.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832
x_refsource_CONFIRM
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea
x_refsource_MISC
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c
x_refsource_MISC
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea
Resource:
x_refsource_MISC
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832
x_refsource_CONFIRM
x_transferred
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea
x_refsource_MISC
x_transferred
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c
Resource:
x_refsource_MISC
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:24 Jan, 2022 | 20:15
Updated At:28 Jan, 2022 | 18:56

ShortDescription is a MediaWiki extension that provides local short description support. A cross-site scripting (XSS) vulnerability exists in versions prior to 2.3.4. On a wiki that has the ShortDescription enabled, XSS can be triggered on any page or the page with the action=info parameter, which displays the shortdesc property. This is achieved using the wikitext `{{SHORTDESC:&lt;img src=x onerror=alert()&gt;}}`. This issue has a patch in version 2.3.4.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.1MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Secondary3.14.7MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Primary2.04.3MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 6.1
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 4.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Type: Primary
Version: 2.0
Base score: 4.3
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
CPE Matches
Wikimedia Foundation
mediawiki
>>shortdescription>>Versions before 2.3.4(exclusive)
cpe:2.3:a:mediawiki:shortdescription:*:*:*:*:*:mediawiki:*:*
Weaknesses
CWE IDTypeSource
CWE-79Primarynvd@nist.gov
CWE-79Secondarysecurity-advisories@github.com
CWE ID: CWE-79
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-79
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48easecurity-advisories@github.com
Patch
Third Party Advisory
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12csecurity-advisories@github.com
Patch
Third Party Advisory
https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832security-advisories@github.com
Exploit
Third Party Advisory
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/7c86644158388620c6c858258cc4e1a8de6e48ea
Source: security-advisories@github.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/commit/bf568edd892adb8528dcb64f75dddf3eeaccc12c
Source: security-advisories@github.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/security/advisories/GHSA-mgcp-qw2r-6832
Source: security-advisories@github.com
Resource:
Exploit
Third Party Advisory

Change History

0
Information is not available yet

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CVE-2025-61655
Matching Score-10
Assigner-The Wikimedia Foundation
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Matching Score-10
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CVSS Score-Not Assigned
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||
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Product-checkuserCheckUser
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-30154
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-1.31% / 67.59%
||
7 Day CHG~0.00%
Published-06 Apr, 2021 | 06:43
Updated-03 Aug, 2024 | 22:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all the mediastatistics-header-* messages are output in HTML unescaped, leading to XSS.

Action-Not Available
Vendor-n/aDebian GNU/LinuxWikimedia FoundationFedora Project
Product-debian_linuxmediawikifedoran/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-51704
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.68% / 48.67%
||
7 Day CHG~0.00%
Published-22 Dec, 2023 | 00:00
Updated-04 Nov, 2025 | 18:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-30157
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-1.41% / 69.80%
||
7 Day CHG~0.00%
Published-06 Apr, 2021 | 06:43
Updated-03 Aug, 2024 | 22:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On ChangesList special pages such as Special:RecentChanges and Special:Watchlist, some of the rcfilters-filter-* label messages are output in HTML unescaped, leading to XSS.

Action-Not Available
Vendor-n/aDebian GNU/LinuxWikimedia FoundationFedora Project
Product-debian_linuxmediawikifedoran/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2013-4573
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-1.16% / 63.95%
||
7 Day CHG~0.00%
Published-25 Nov, 2013 | 19:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in the ZeroRatedMobileAccess extension for MediaWiki 1.19.x before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to inject arbitrary web script or HTML via the "to" parameter to index.php.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2013-4307
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-1.95% / 78.15%
||
7 Day CHG~0.00%
Published-11 Sep, 2013 | 14:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple cross-site scripting (XSS) vulnerabilities in repo/includes/EntityView.php in the Wikibase extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allow (1) remote attackers to inject arbitrary web script or HTML via a label in the "In other languages" section or (2) remote administrators to inject arbitrary web script or HTML via a description.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2019-19910
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.66% / 47.62%
||
7 Day CHG~0.00%
Published-19 Dec, 2019 | 18:41
Updated-05 Aug, 2024 | 02:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The MinervaNeue Skin in MediaWiki from 2019-11-05 to 2019-12-13 (1.35 and/or 1.34) mishandles certain HTML attributes, as demonstrated by IMG onmouseover= (impact is XSS) and IMG src=http (impact is disclosing the client's IP address). This can occur within a talk page topical header that is viewed within a mobile (MobileFrontend) context.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2013-4308
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-1.29% / 67.11%
||
7 Day CHG~0.00%
Published-11 Sep, 2013 | 14:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in pages/TalkpageHistoryView.php in the LiquidThreads (LQT) extension 2.x and possibly 3.x for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 allows remote attackers to inject arbitrary web script or HTML via a thread subject.

Action-Not Available
Vendor-liquidthreads_projectn/aWikimedia Foundation
Product-mediawikiliquidthreadsn/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2013-4574
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-1.37% / 68.98%
||
7 Day CHG~0.00%
Published-12 May, 2014 | 14:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in the TimeMediaHandler extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to inject arbitrary web script or HTML via vectors related to videos.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2013-4303
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-6.1||MEDIUM
EPSS-1.53% / 72.05%
||
7 Day CHG~0.00%
Published-11 Dec, 2019 | 18:30
Updated-06 Aug, 2024 | 16:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

includes/libs/IEUrlExtension.php in the MediaWiki API in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 does not properly detect extensions when there are an even number of "." (period) characters in a string, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the siprop parameter in a query action to wiki/api.php.

Action-Not Available
Vendor-Wikimedia Foundation
Product-mediawikiMediaWiki
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2019-19708
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.72% / 49.98%
||
7 Day CHG~0.00%
Published-11 Dec, 2019 | 01:33
Updated-05 Aug, 2024 | 02:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The VisualEditor extension through 1.34 for MediaWiki allows XSS via pasted content containing an element with a data-ve-clipboard-key attribute.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-visual_editorn/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2026-39841
Matching Score-10
Assigner-The Wikimedia Foundation
ShareView Details
Matching Score-10
Assigner-The Wikimedia Foundation
CVSS Score-6.3||MEDIUM
EPSS-0.16% / 5.38%
||
7 Day CHG~0.00%
Published-07 Apr, 2026 | 19:43
Updated-24 Jul, 2026 | 21:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Stored XSS through list fields on Cargo's page values and Special:CargoTables

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

Action-Not Available
Vendor-Wikimedia Foundation
Product-cargoMediawiki - Cargo Extension
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE ID-CWE-80
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CVE-2026-39840
Matching Score-10
Assigner-The Wikimedia Foundation
ShareView Details
Matching Score-10
Assigner-The Wikimedia Foundation
CVSS Score-5.1||MEDIUM
EPSS-0.16% / 5.38%
||
7 Day CHG~0.00%
Published-07 Apr, 2026 | 19:35
Updated-24 Jul, 2026 | 23:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
CSS injection in multiple Cargo display formats

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows XSS Targeting Non-Script Elements.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

Action-Not Available
Vendor-Wikimedia Foundation
Product-cargoMediawiki - Cargo Extension
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2011-1765
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-2.10% / 79.74%
||
7 Day CHG~0.00%
Published-23 May, 2011 | 22:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.5, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .shtml at the end of the query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1578 and CVE-2011-1587.

Action-Not Available
Vendor-n/aMicrosoft CorporationWikimedia Foundation
Product-mediawikiinternet_explorern/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-31551
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.90% / 55.81%
||
7 Day CHG~0.00%
Published-22 Apr, 2021 | 02:29
Updated-03 Aug, 2024 | 23:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in the PageForms extension for MediaWiki through 1.35.2. Crafted payloads for Token-related query parameters allowed for XSS on certain PageForms-managed MediaWiki pages.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2011-1587
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-1.71% / 75.00%
||
7 Day CHG~0.00%
Published-27 Apr, 2011 | 00:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.4, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html located before a ? (question mark) in a query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1578.

Action-Not Available
Vendor-n/aMicrosoft CorporationWikimedia Foundation
Product-mediawikiinternet_explorern/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2013-2031
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-4.3||MEDIUM
EPSS-2.50% / 83.03%
||
7 Day CHG~0.00%
Published-15 Nov, 2013 | 18:16
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

MediaWiki before 1.19.6 and 1.20.x before 1.20.5 allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a CDATA section containing valid UTF-7 encoded sequences in a SVG file, which is then incorrectly interpreted as UTF-8 by Chrome and Firefox.

Action-Not Available
Vendor-n/aGentoo Foundation, Inc.Wikimedia Foundation
Product-mediawikilinuxn/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2019-14807
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.70% / 49.34%
||
7 Day CHG~0.00%
Published-09 Aug, 2019 | 20:28
Updated-05 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In the MobileFrontend extension 1.31 through 1.33 for MediaWiki, XSS exists within the edit summary field in includes/specials/MobileSpecialPageFeed.php.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mobilefrontendn/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2013-1951
Matching Score-10
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-6.1||MEDIUM
EPSS-1.64% / 73.88%
||
7 Day CHG~0.00%
Published-31 Oct, 2019 | 19:33
Updated-06 Aug, 2024 | 15:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.5 and 1.20.x before 1.20.4 and allows remote attackers to inject arbitrary web script or HTML via Lua function names.

Action-Not Available
Vendor-Linux Kernel Organization, IncWikimedia FoundationDebian GNU/Linux
Product-mediawikidebian_linuxlinux_kernelMediaWiki
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2026-14358
Matching Score-10
Assigner-The Wikimedia Foundation
ShareView Details
Matching Score-10
Assigner-The Wikimedia Foundation
CVSS Score-6.9||MEDIUM
EPSS-0.18% / 7.30%
||
7 Day CHG~0.00%
Published-01 Jul, 2026 | 18:48
Updated-10 Jul, 2026 | 12:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Stored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Charts Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - Charts Extension: from * before 1.43.9,1.44.6,1.45.4.

Action-Not Available
Vendor-Wikimedia Foundation
Product-mediawikiMediawiki - Charts Extension
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2020-6163
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.70% / 49.34%
||
7 Day CHG~0.00%
Published-08 Jan, 2020 | 01:45
Updated-04 Aug, 2024 | 08:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The WikibaseMediaInfo extension 1.35 for MediaWiki allows XSS because of improper template syntax within the PropertySuggestionsWidget template (in the templates/search/PropertySuggestionsWidget.mustache+dom file).

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-45373
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.32% / 24.31%
||
7 Day CHG~0.00%
Published-09 Oct, 2023 | 00:00
Updated-19 Sep, 2024 | 17:45
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in the ProofreadPage extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. XSS can occur via formatNumNoSeparators.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2011-0047
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-2.35% / 81.89%
||
7 Day CHG~0.00%
Published-04 Feb, 2011 | 00:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.2 allows remote attackers to inject arbitrary web script or HTML via crafted Cascading Style Sheets (CSS) comments, aka "CSS injection vulnerability."

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-37256
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.47% / 37.87%
||
7 Day CHG~0.00%
Published-29 Jun, 2023 | 00:00
Updated-26 Nov, 2024 | 20:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in the Cargo extension for MediaWiki through 1.39.3. It allows one to store javascript: URLs in URL fields, and automatically links these URLs.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-36675
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.83% / 53.77%
||
7 Day CHG~0.00%
Published-26 Jun, 2023 | 00:00
Updated-05 Dec, 2024 | 15:25
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-37251
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.40% / 32.84%
||
7 Day CHG~0.00%
Published-29 Jun, 2023 | 00:00
Updated-26 Nov, 2024 | 19:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in the GoogleAnalyticsMetrics extension for MediaWiki through 1.39.3. The googleanalyticstrackurl parser function does not properly escape JavaScript in the onclick handler and does not prevent use of javascript: URLs.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2022-34911
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-1.02% / 59.72%
||
7 Day CHG~0.00%
Published-02 Jul, 2022 | 00:00
Updated-03 Aug, 2024 | 09:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in MediaWiki before 1.35.7, 1.36.x and 1.37.x before 1.37.3, and 1.38.x before 1.38.1. XSS can occur in configurations that allow a JavaScript payload in a username. After account creation, when it sets the page title to "Welcome" followed by the username, the username is not escaped: SpecialCreateAccount::successfulAction() calls ::showSuccessPage() with a message as second parameter, and OutputPage::setPageTitle() uses text().

Action-Not Available
Vendor-n/aWikimedia FoundationFedora Project
Product-fedoramediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-37254
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.47% / 37.87%
||
7 Day CHG~0.00%
Published-29 Jun, 2023 | 00:00
Updated-27 Nov, 2024 | 16:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in the Cargo extension for MediaWiki through 1.39.3. XSS can occur in Special:CargoQuery via a crafted page item when using the default format.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-37302
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.69% / 49.00%
||
7 Day CHG~0.00%
Published-30 Jun, 2023 | 00:00
Updated-26 Nov, 2024 | 16:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2022-29907
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.66% / 47.67%
||
7 Day CHG~0.00%
Published-29 Apr, 2022 | 03:42
Updated-03 Aug, 2024 | 06:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Nimbus skin for MediaWiki through 1.37.2 (before 6f9c8fb868345701d9544a54d9752515aace39df) allows XSS in Advertise link messages.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2012-6453
Matching Score-10
Assigner-MITRE Corporation
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Matching Score-10
Assigner-MITRE Corporation
CVSS Score-4.3||MEDIUM
EPSS-0.98% / 58.43%
||
7 Day CHG~0.00%
Published-31 Dec, 2012 | 11:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cross-site scripting (XSS) vulnerability in the RSS Reader extension before 0.2.6 for MediaWiki allows remote attackers to inject arbitrary web script or HTML via a crafted feed.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-rssreadern/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2012-4378
Matching Score-10
Assigner-Red Hat, Inc.
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Matching Score-10
Assigner-Red Hat, Inc.
CVSS Score-6.1||MEDIUM
EPSS-1.55% / 72.45%
||
7 Day CHG~0.00%
Published-26 Oct, 2017 | 20:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-22911
Matching Score-10
Assigner-MITRE Corporation
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Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.57% / 43.68%
||
7 Day CHG~0.00%
Published-10 Jan, 2023 | 00:00
Updated-07 Apr, 2025 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.

Action-Not Available
Vendor-n/aFedora ProjectWikimedia Foundation
Product-mediawikifedoran/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2023-37255
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
EPSS-0.47% / 37.87%
||
7 Day CHG~0.00%
Published-29 Jun, 2023 | 00:00
Updated-26 Nov, 2024 | 19:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the "get edits" type is vulnerable to HTML injection through the User-Agent HTTP request header.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/a
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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