CVE-2023-22455

MEDIUMMonitor

Published:Jan 5, 2023(3 years ago)

Modified:Nov 21, 2024

Remote ExploitLow Complexity

Vulnerability Description

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.

Attack Characteristics

Network AccessLow ComplexityHigh PrivilegesUser Interaction Required

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

206

Vendor	Product	Versions	Fixed In
discourse	discourse	2.8.14	-
discourse	discourse	-	-
discourse	discourse	-

Timeline

Published
CVE disclosed publicly
Jan 5, 20233 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

https://github.com/discourse/discourse/commit/692329896ac64d8581947e97...Patch
https://github.com/discourse/discourse/security/advisories/GHSA-5rq6-4...Third Party Advisory
https://github.com/discourse/discourse/commit/692329896ac64d8581947e97...Patch

CVSS Score

v3.1

6.8/ 10.0

MEDIUM

AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

At a Glance

206

Affected Products

References

discourse / discourse

CVE-2023-22455

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2023-22455

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description