Server side cross-site scripting In typo3/cms-core

Description

TYPO3 vulnerable to Cross-Site Scripting in the Form Manager Module

Problem

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.

References

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions