CSS Injection Vulnerability Affects Contao CMS Versions
CVE-2024-28234

4.7MEDIUM

Key Information:

Vendor

Contao

Status
Contao
Vendor
CVE Published:
9 April 2024

What is CVE-2024-28234?

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.

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Deploy the Patch

Affected Version(s)

contao >= 2.0.0, < 4.13.40 < 2.0.0, 4.13.40

contao >= 5.0.0, < 5.3.4 < 5.0.0, 5.3.4

References

https://github.com/contao/contao/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/contao/contao/commit/55b995d8d35da0d36...
x_refsource_MISC
https://github.com/contao/contao/commit/6d42e667177c972ae...
x_refsource_MISC

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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