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Vulnerability Details :

CVE-2023-22455

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-05 Jan, 2023 | 20:02
Updated At-10 Mar, 2025 | 21:31
Rejected At-
Credits

Discourse vulnerable to Cross-site Scripting through tag descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. Versions 2.8.14 and 3.0.0.beta16 contain a patch.

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:05 Jan, 2023 | 20:02
Updated At:10 Mar, 2025 | 21:31
Rejected At:
▼CVE Numbering Authority (CNA)
Discourse vulnerable to Cross-site Scripting through tag descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. Versions 2.8.14 and 3.0.0.beta16 contain a patch.

Affected Products
Vendor
Civilized Discourse Construction Kit, Inc.discourse
Product
discourse
Versions
Affected
  • < 2.8.14
  • >= 2.9.0.beta0, < 3.0.0.beta16
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
3.16.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9
x_refsource_CONFIRM
https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2
x_refsource_MISC
Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2
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/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9
x_refsource_CONFIRM
x_transferred
https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2
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:05 Jan, 2023 | 21:15
Updated At:11 Jan, 2023 | 21:07

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. Versions 2.8.14 and 3.0.0.beta16 contain a patch.

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
Secondary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
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: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CPE Matches

Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>Versions before 2.8.14(exclusive)
cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta1:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta2:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta3:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta4:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta5:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta6:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta6b:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta7:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.1.0
cpe:2.3:a:discourse:discourse:1.1.0:beta8:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta1:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta2:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta3:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta4:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta5:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta6:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta7:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta8:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.2.0
cpe:2.3:a:discourse:discourse:1.2.0:beta9:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta1:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta10:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta11:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta2:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta3:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta4:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta5:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta6:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta7:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta8:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.3.0
cpe:2.3:a:discourse:discourse:1.3.0:beta9:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta1:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta10:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta11:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta12:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta2:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta3:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta4:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta5:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta6:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta7:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta8:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.4.0
cpe:2.3:a:discourse:discourse:1.4.0:beta9:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta1:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta10:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta11:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta12:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta13:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta13b:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta14:*:*:beta:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>1.5.0
cpe:2.3:a:discourse:discourse:1.5.0:beta2:*:*:beta:*:*:*
Weaknesses
CWE IDTypeSource
CWE-79Primarysecurity-advisories@github.com
CWE ID: CWE-79
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2security-advisories@github.com
Patch
Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9security-advisories@github.com
Third Party Advisory
Hyperlink: https://github.com/discourse/discourse/commit/692329896ac64d8581947e977202c243eef3b5a2
Source: security-advisories@github.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-466r-6mr9
Source: security-advisories@github.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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