CVE-2024-28234
MEDIUM severity · CVSS 4.3 · Injection
4.3CVSS MEDIUM
Summary
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 & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2 ↗
Additional information
- NVD record
- https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2Patch
- https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2Patch
- https://contao.org/en/security-advisories/insufficient-bbcode-sanitizationAdvisory
- https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825gAdvisory