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Status published
Medium
CVE-2024-53266
Cross-site Scripting (XSS) via topic titles when CSP disabled in Discourse
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
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View all reports →Affected Software
discourse
Vulnerable Versions:
stable: < 3.3.3, tests-passed: < 3.4.0.beta4
Timeline
Official Publish:
February 4th, 2025
Last Modified:
February 4th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N