- Component Type: TYPO3 CMS
- Subcomponent: File Dump Controller (ext:core)
- Release Date: September 13, 2022
- Vulnerability Type: Cross-Site Scripting
- Affected Versions: 7.0.0-7.6.57, 8.0.0-8.7.47, 9.0.0-9.5.36, 10.0.0-10.4.31, 11.0.0-11.5.15
- 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-2022-36107, CWE-79
Problem Description
It has been discovered that the FileDumpController (backend and frontend context) is vulnerable to cross-site scripting when malicious files are displayed using this component. A valid backend user account is needed to exploit this vulnerability.
Solution
Update to TYPO3 version 7.6.58 ELTS, 8.7.48 ELTS, 9.5.37 ELTS, 10.4.32 or 11.5.16 that fix the problem described above.
Credits
Thanks to Vautia who reported this issue and to TYPO3 core & security team member Oliver Hader who 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 that you can easily look them up in our review system.