GHSA-9rx9-7fmh-gj3g: TYPO3 Broken Access Control in Localization Handling

May 30, 2024

It has been discovered that backend users having limited access to specific languages are capable of modifying and creating pages in the default language which actually should be disallowed. A valid backend user account is needed in order to exploit this vulnerability.

References

github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-01-22-3.yaml
github.com/TYPO3-CMS/core
github.com/TYPO3-CMS/core/commit/64b1b5dc2f7cacb2ba39b74081f4179d6393b2bf
github.com/advisories/GHSA-9rx9-7fmh-gj3g
typo3.org/security/advisory/typo3-core-sa-2019-003

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