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Status published
Medium
CVE-2024-28234
Contao has insufficient BBCode sanitizer
Vulnerability Description
Contao is an open source content management system. Starting in version 2.0.0 and prior to versions 4.13.40 and 5.3.4, it is possible to inject CSS styles via BBCode in comments. Installations are only affected if BBCode is enabled. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable BBCode for comments.
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.
References
- https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g
- https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2
- https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2
- https://contao.org/en/security-advisories/insufficient-bbcode-sanitization
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Affected Vendor
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View all reports →Affected Software
contao
Vulnerable Versions:
>= 2.0.0, < 4.13.40, >= 5.0.0, < 5.3.4
Timeline
Official Publish:
April 9th, 2024
Last Modified:
August 2nd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N