- Component Type: TYPO3 CMS
- Subcomponent: Form Framework (ext:form)
- Release Date: May 14, 2024
- Vulnerability Type: Cross-Site Scripting
- Affected Versions: 9.0.0-9.5.47, 10.0.0-10.4.44, 11.0.0-11.5.36, 12.0.0-12.4.14, 13.0.0-13.1.0
- Severity: Medium
- Suggested CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
- References: CVE-2024-34356, CWE-79
Problem Description
The form manager backend module is vulnerable to cross-site scripting. Exploiting this vulnerability requires a valid backend user account with access to the form module.
Solution
Update to TYPO3 versions 9.5.48 ELTS, 10.4.45 ELTS, 11.5.37 LTS, 12.4.15 LTS, 13.1.1 that fix the problem described.
Credits
Thanks to TYPO3 core & security team member Benjamin Franzke who reported and fixed the issue.
General Advice
Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.
General Note
All security-related code changes are tagged so you can easily look them up in our review system.