CVE-2024-53266

Cross-site Scripting (XSS) via topic titles when CSP disabled in Discourse

State: Published
Severity: 4.3 Medium
Published: Feb 4, 2025
Updated: Feb 4, 2025
Reserved: Nov 19, 2024

Description

Discourse is an open source platform for community discussion. In affected versions with some combinations of plugins, and with CSP disabled, activity streams in the user's profile page may be vulnerable to XSS. This has been patched in the latest version of Discourse core. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
discoursediscourse	stable: < 3.3.3Affected tests-passed: < 3.4.0.beta4Affected

References

https://github.com/discourse/discourse/security/advisories/GHSA-hw4j-4hg7-22h2

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