CVE-2024-28234

Contao has insufficient BBCode sanitizer

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.75% Top 30%
Vendor Advisory contao.org Vendor Advisory github.com
Affected: contao contao
Published at:
Updated at:

References

Link Tags
https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g vendor advisory
https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2 patch
https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2 patch
https://contao.org/en/security-advisories/insufficient-bbcode-sanitization vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-28234?
CVE-2024-28234 has been scored as a medium severity vulnerability.
How to fix CVE-2024-28234?
To fix CVE-2024-28234, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-28234 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-28234 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-28234?
CVE-2024-28234 affects contao contao.
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