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GHSA-6c46-p6j5-3f49
No affected components available
Problem
Backend users with access to the redirects module and write permission on the sys_redirect table were able to read, create, and modify any redirect record - without restriction to the user’s own file‑mounts or web‑mounts. This allowed attackers to insert or alter redirects pointing to arbitrary URLs - facilitating phishing or other malicious redirect attacks.
Solution
Update to TYPO3 versions 10.4.55 ELTS, 11.5.49 ELTS, 12.4.41 LTS, 13.4.23 LTS, 14.0.2 that fix the problem described.
Credits
Thanks to Georg Dümmler for reporting this issue, and to TYPO3 security team member Elias Häußler for fixing it.
References
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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