Description
Missing authorization checks in the Backend Routing of TYPO3 CMS versions 9.0.0‑9.5.54, 10.0.0‑10.4.53, 11.0.0‑11.5.47, 12.0.0‑12.4.36, and 13.0.0‑13.4.17 allow backend users to directly invoke AJAX backend routes without having access to the corresponding backend modules.
Problem types
Product status
9.0.0 (semver) before 9.5.55
10.0.0 (semver) before 10.4.54
11.0.0 (semver) before 11.5.48
12.0.0 (semver) before 12.4.37
13.0.0 (semver) before 13.4.18
9.0.0 (semver) before 9.5.55
10.0.0 (semver) before 10.4.54
11.0.0 (semver) before 11.5.48
12.0.0 (semver) before 12.4.37
13.0.0 (semver) before 13.4.18
10.0.0 (semver) before 10.4.54
11.0.0 (semver) before 11.5.48
12.0.0 (semver) before 12.4.37
13.0.0 (semver) before 13.4.18
9.0.0 (semver) before 9.5.55
10.0.0 (semver) before 10.4.54
11.0.0 (semver) before 11.5.48
12.0.0 (semver) before 12.4.37
13.0.0 (semver) before 13.4.18
9.0.0 (semver) before 9.5.55
10.0.0 (semver) before 10.4.54
11.0.0 (semver) before 11.5.48
12.0.0 (semver) before 12.4.37
13.0.0 (semver) before 13.4.18
Credits
Elias Häußler
Elias Häußler
References
typo3.org/security/advisory/typo3-core-sa-2025-021