Headline
GHSA-fv2m-9249-qx85: TYPO3 CMS vulnerable to Cross-Site Scripting in <f:asset.css> view helper
Meta
- CVSS:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C(4.1)
Problem
It has been discovered that the f:asset.css view helper is vulnerable to cross-site scripting when user input is passed as variables to the CSS.
Solution
Update to TYPO3 version 10.4.32 or 11.5.16 that fix the problem described above.
Credits
Thanks to TYPO3 contributor member Frank Nägler who reported this issue and to TYPO3 core & security team member Oliver Hader who fixed the issue.
References
TYPO3 CMS vulnerable to Cross-Site Scripting in <f:asset.css> view helper
Moderate severity GitHub Reviewed Published Sep 16, 2022 in TYPO3/typo3 • Updated Sep 16, 2022
Related news
TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that the `f:asset.css` view helper is vulnerable to cross-site scripting when user input is passed as variables to the CSS. Update to TYPO3 version 10.4.32 or 11.5.16 that fix the problem. There are no known workarounds for this issue.