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Vulnerability Details :

CVE-2020-27620

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-22 Oct, 2020 | 03:05
Updated At-04 Aug, 2024 | 16:18
Rejected At-
Credits

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

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:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:22 Oct, 2020 | 03:05
Updated At:04 Aug, 2024 | 16:18
Rejected At:
▼CVE Numbering Authority (CNA)

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://phabricator.wikimedia.org/T265440
x_refsource_MISC
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749
x_refsource_MISC
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752
x_refsource_MISC
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751
x_refsource_MISC
Hyperlink: https://phabricator.wikimedia.org/T265440
Resource:
x_refsource_MISC
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749
Resource:
x_refsource_MISC
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752
Resource:
x_refsource_MISC
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
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://phabricator.wikimedia.org/T265440
x_refsource_MISC
x_transferred
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749
x_refsource_MISC
x_transferred
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752
x_refsource_MISC
x_transferred
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751
x_refsource_MISC
x_transferred
Hyperlink: https://phabricator.wikimedia.org/T265440
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:22 Oct, 2020 | 04:15
Updated At:26 Oct, 2020 | 20:05

The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.

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
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: 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
>>skin\>>cosmos
cpe:2.3:a:mediawiki:skin\:cosmos:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-79Primarynvd@nist.gov
CWE ID: CWE-79
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749cve@mitre.org
Vendor Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751cve@mitre.org
Vendor Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752cve@mitre.org
Vendor Advisory
https://phabricator.wikimedia.org/T265440cve@mitre.org
Vendor Advisory
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634749
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634751
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: https://gerrit.wikimedia.org/r/c/mediawiki/skins/Cosmos/+/634752
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: https://phabricator.wikimedia.org/T265440
Source: cve@mitre.org
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-8
Assigner-Debian GNU/Linux
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||
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Product-mediawikidebian_linuxMediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2
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CVE-2020-10959
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.1||MEDIUM
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||
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Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.21% / 42.97%
||
7 Day CHG~0.00%
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Product-mediawikin/a
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Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
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||
7 Day CHG~0.00%
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Matching Score-6
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Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-1.83% / 82.18%
||
7 Day CHG~0.00%
Published-06 Oct, 2021 | 20:48
Updated-04 Aug, 2024 | 03:22
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 the Growth extension in MediaWiki through 1.36.2. On any Wiki with the Mentor Dashboard feature enabled, users can login with a mentor account and trigger an XSS payload (such as alert) via Growthexperiments-mentor-dashboard-mentee-overview-no-js-fallback.

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-2021-42045
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-2.32% / 84.16%
||
7 Day CHG~0.00%
Published-06 Oct, 2021 | 20:49
Updated-04 Aug, 2024 | 03:22
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 SecurePoll in the Growth extension in MediaWiki through 1.36.2. Simple polls allow users to create alerts by changing their User-Agent HTTP header and submitting a vote.

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-2021-42042
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-4.8||MEDIUM
EPSS-0.65% / 69.77%
||
7 Day CHG~0.00%
Published-06 Oct, 2021 | 20:28
Updated-04 Aug, 2024 | 03:22
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 SpecialEditGrowthConfig in the GrowthExperiments extension in MediaWiki through 1.36.2. The growthexperiments-edit-config-error-invalid-title MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.

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-2024-40599
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-4.8||MEDIUM
EPSS-0.09% / 25.74%
||
7 Day CHG~0.00%
Published-06 Jul, 2024 | 00:00
Updated-20 Mar, 2025 | 21:15
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 GuMaxDD skin for MediaWiki through 1.42.1. There is stored XSS via MediaWiki:Sidebar top-level menu entries.

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-2021-44855
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.28% / 51.35%
||
7 Day CHG~0.00%
Published-26 Dec, 2022 | 00:00
Updated-14 Apr, 2025 | 16:15
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 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. There is Blind Stored XSS via a URL to the Upload Image 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-2024-40605
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-4.8||MEDIUM
EPSS-0.06% / 17.37%
||
7 Day CHG~0.00%
Published-06 Jul, 2024 | 00:00
Updated-14 Mar, 2025 | 14:15
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 Foreground skin for MediaWiki through 1.42.1. There is stored XSS via MediaWiki:Sidebar top-level menu entries.

Action-Not Available
Vendor-n/aWikimedia Foundation
Product-mediawikin/amediawiki
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-36130
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-4.8||MEDIUM
EPSS-0.27% / 50.15%
||
7 Day CHG~0.00%
Published-02 Jul, 2021 | 13:00
Updated-04 Aug, 2024 | 00:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An XSS issue was discovered in the SocialProfile extension in MediaWiki through 1.36. Within several gift-related special pages, a privileged user with the awardmanage right could inject arbitrary HTML and JavaScript within various gift-related data fields. The attack could easily propagate across many pages for many users.

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-2021-31550
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.28% / 51.09%
||
7 Day CHG~0.00%
Published-22 Apr, 2021 | 02:30
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 CommentBox extension for MediaWiki through 1.35.2. Via crafted configuration variables, a malicious actor could introduce XSS payloads into various layers.

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-2010-2788
Matching Score-6
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-6
Assigner-Red Hat, Inc.
CVSS Score-2.6||LOW
EPSS-0.66% / 70.29%
||
7 Day CHG~0.00%
Published-27 Apr, 2011 | 00:00
Updated-11 Apr, 2025 | 00:51
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 profileinfo.php in MediaWiki before 1.15.5, when wgEnableProfileInfo is enabled, allows remote attackers to inject arbitrary web script or HTML via the filter parameter.

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-2024-23174
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.43% / 62.04%
||
7 Day CHG~0.00%
Published-12 Jan, 2024 | 00:00
Updated-20 Jun, 2025 | 17:15
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 PageTriage extension 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. XSS can occur via the rev-deleted-user, pagetriage-tags-quickfilter-label, pagetriage-triage, pagetriage-filter-date-range-format-placeholder, pagetriage-filter-date-range-to, pagetriage-filter-date-range-from, pagetriage-filter-date-range-heading, pagetriage-filter-set-button, or pagetriage-filter-reset-button message.

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-2024-23172
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.51% / 65.46%
||
7 Day CHG~0.00%
Published-12 Jan, 2024 | 00:00
Updated-04 Jun, 2025 | 16:15
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 CheckUser extension 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. XSS can occur via message definitions. e.g., in SpecialCheckUserLog.

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-2024-23171
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.45% / 62.82%
||
7 Day CHG~0.00%
Published-12 Jan, 2024 | 00:00
Updated-20 Jun, 2025 | 17:15
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 CampaignEvents extension 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. The Special:EventDetails page allows XSS via the x-xss language setting for internationalization (i18n).

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-2009-0737
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-2.6||LOW
EPSS-0.51% / 65.22%
||
7 Day CHG~0.00%
Published-25 Feb, 2009 | 20:00
Updated-07 Aug, 2024 | 04:48
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 the web-based installer (config/index.php) in MediaWiki 1.6 before 1.6.12, 1.12 before 1.12.4, and 1.13 before 1.13.4, when the installer is in active use, allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.

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-2024-40604
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-4.8||MEDIUM
EPSS-0.06% / 17.37%
||
7 Day CHG~0.00%
Published-06 Jul, 2024 | 00:00
Updated-18 Mar, 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 the Nimbus skin for MediaWiki through 1.42.1. There is Stored XSS via MediaWiki:Nimbus-sidebar menu and submenu entries.

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-2021-42044
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-4.8||MEDIUM
EPSS-0.80% / 73.08%
||
7 Day CHG~0.00%
Published-06 Oct, 2021 | 20:28
Updated-04 Aug, 2024 | 03:22
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 the Mentor dashboard in the GrowthExperiments extension in MediaWiki through 1.36.2. The Growthexperiments-mentor-dashboard-mentee-overview-add-filter-total-edits-headline, growthexperiments-mentor-dashboard-mentee-overview-add-filter-starred-headline, growthexperiments-mentor-dashboard-mentee-overview-info-text, growthexperiments-mentor-dashboard-mentee-overview-info-legend-headline, and growthexperiments-mentor-dashboard-mentee-overview-active-ago MediaWiki messages were not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.

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-2017-0365
Matching Score-6
Assigner-Debian GNU/Linux
ShareView Details
Matching Score-6
Assigner-Debian GNU/Linux
CVSS Score-4.7||MEDIUM
EPSS-0.33% / 55.33%
||
7 Day CHG~0.00%
Published-13 Apr, 2018 | 16:00
Updated-16 Sep, 2024 | 18:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
XSS in SearchHighlighter::highlightText() [requires non-default config]

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a XSS vulnerability in SearchHighlighter::highlightText() with non-default configurations.

Action-Not Available
Vendor-Debian GNU/LinuxWikimedia Foundation
Product-debian_linuxmediawikimediawiki
CWE ID-CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2014-9475
Matching Score-6
Assigner-Debian GNU/Linux
ShareView Details
Matching Score-6
Assigner-Debian GNU/Linux
CVSS Score-3.5||LOW
EPSS-0.21% / 43.21%
||
7 Day CHG~0.00%
Published-16 Jan, 2015 | 16:00
Updated-12 Apr, 2025 | 10:46
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 thumb.php in MediaWiki before 1.19.23, 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote authenticated users to inject arbitrary web script or HTML via a wikitext message.

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-2024-23178
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.38% / 58.45%
||
7 Day CHG~0.00%
Published-12 Jan, 2024 | 00:00
Updated-03 Jun, 2025 | 14:15
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 Phonos extension in MediaWiki before 1.40.2. PhonosButton.js allows i18n-based XSS via the phonos-purge-needed-error message.

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-2020-35475
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.58% / 68.07%
||
7 Day CHG~0.00%
Published-18 Dec, 2020 | 07:32
Updated-04 Aug, 2024 | 17:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to change all userrights, and the table on the left side has unchangeable groups in it. (The right column with the changeable groups is not affected and is escaped correctly.)

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-2020-29002
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-4.8||MEDIUM
EPSS-0.29% / 51.44%
||
7 Day CHG~0.00%
Published-24 Nov, 2020 | 05:38
Updated-04 Aug, 2024 | 16:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

includes/CologneBlueTemplate.php in the CologneBlue skin for MediaWiki through 1.35 allows XSS via a qbfind message supplied by an administrator.

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-2020-29003
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.32% / 54.30%
||
7 Day CHG~0.00%
Published-24 Nov, 2020 | 05:37
Updated-04 Aug, 2024 | 16:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The PollNY extension for MediaWiki through 1.35 allows XSS via an answer option for a poll question, entered during Special:CreatePoll or Special:UpdatePoll.

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-2014-9507
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-2.6||LOW
EPSS-0.27% / 50.10%
||
7 Day CHG~0.00%
Published-04 Jan, 2015 | 21:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

MediaWiki 1.21.x, 1.22.x before 1.22.14, and 1.23.x before 1.23.7, when $wgContentHandlerUseDB is enabled, allows remote attackers to conduct cross-site scripting (XSS) attacks by setting the content model for a revision to JS.

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-2014-9478
Matching Score-6
Assigner-Debian GNU/Linux
ShareView Details
Matching Score-6
Assigner-Debian GNU/Linux
CVSS Score-2.6||LOW
EPSS-0.29% / 51.58%
||
7 Day CHG~0.00%
Published-16 Jan, 2015 | 16:00
Updated-12 Apr, 2025 | 10:46
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 preview in the ExpandTemplates extension for MediaWiki, when $wgRawHTML is set to true, allows remote attackers to inject arbitrary web script or HTML via the wpInput parameter to the Special:ExpandTemplates page.

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-2014-7295
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-3.5||LOW
EPSS-0.31% / 53.73%
||
7 Day CHG~0.00%
Published-07 Oct, 2014 | 14:00
Updated-12 Apr, 2025 | 10:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The (1) Special:Preferences and (2) Special:UserLogin pages in MediaWiki before 1.19.20, 1.22.x before 1.22.12 and 1.23.x before 1.23.5 allows remote authenticated users to conduct cross-site scripting (XSS) attacks or have unspecified other impact via crafted CSS, as demonstrated by modifying MediaWiki:Common.css.

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-2014-3966
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-2.6||LOW
EPSS-0.43% / 61.72%
||
7 Day CHG~0.00%
Published-06 Jun, 2014 | 14:00
Updated-12 Apr, 2025 | 10:46
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 Special:PasswordReset in MediaWiki before 1.19.16, 1.21.x before 1.21.10, and 1.22.x before 1.22.7, when wgRawHtml is enabled, allows remote attackers to inject arbitrary web script or HTML via an invalid username.

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-2008-5250
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-3.5||LOW
EPSS-0.35% / 57.00%
||
7 Day CHG~0.00%
Published-19 Dec, 2008 | 17:00
Updated-07 Aug, 2024 | 10:49
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 1.6.11, 1.12.x before 1.12.2, and 1.13.x before 1.13.3, when Internet Explorer is used and uploads are enabled, or an SVG scripting browser is used and SVG uploads are enabled, allows remote authenticated users to inject arbitrary web script or HTML by editing a wiki page.

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-2023-45360
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.4||MEDIUM
EPSS-0.38% / 58.33%
||
7 Day CHG~0.00%
Published-03 Nov, 2023 | 00:00
Updated-02 Aug, 2024 | 20:21
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 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages. This is related to MediaWiki:Youhavenewmessagesfromusers.

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