TYPO3 is an open source, PHP based web content management system. Starting in version 10.0.0 and prior to versions 10.4.50 ELTS, 11.5.44 ELTS, 12.4.31 LTS, and 13.4.12 LTS, administrator-level backend users without system maintainer privileges can escalate their privileges and gain system maintainer access. Exploiting this vulnerability requires a valid administrator account. Users should update to TYPO3 version 10.4.50 ELTS, 11.5.44 ELTS, 12.4.31 LTS, or 13.4.12 LTS to fix the problem.
Weakness
The product does not properly verify that a critical resource is owned by the proper entity.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Typo3 | Typo3 | 10.4.0 (including) | 10.4.50 (excluding) |
| Typo3 | Typo3 | 11.0.0 (including) | 11.5.44 (excluding) |
| Typo3 | Typo3 | 12.0.0 (including) | 12.4.31 (excluding) |
| Typo3 | Typo3 | 13.0.0 (including) | 13.4.12 (excluding) |