Vulnerability · Published Apr 9, 2024 · Assigned by GitHub_M

CVE-2024-28234Contao has insufficient BBCode sanitizer

Medium 4.3

In plain English

A medium-severity injection in contao from contao. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.6%top 52.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	contao/comments-bundle	4.13.40	GHSA-j55w-hjpj-825g
Packagist	contao/comments-bundle	5.3.4	GHSA-j55w-hjpj-825g

Affected products (as reported)

Vendor	Product	Versions
contao	contao	>= 2.0.0, < 4.13.40>= 5.0.0, < 5.3.4

Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

https://github.com/contao/contao/security/advisories/GHSA-j55w-hjpj-825g x_refsource_CONFIRM
https://github.com/contao/contao/commit/55b995d8d35da0d36bc6a22c53fe6423ab0c4ae2 x_refsource_MISC
https://github.com/contao/contao/commit/6d42e667177c972ae7c219645593c262d7764ce2 x_refsource_MISC
https://contao.org/en/security-advisories/insufficient-bbcode-sanitization x_refsource_MISC