Allele Security Alert
Broken access control in localization handling
TYPO3 CMS versions 8.0.0 up to 8.7.22
TYPO3 CMS versions 9.0.0 up to 9.5.3
TYPO3 CMS version 8.7.23
TYPO3 CMS version 9.5.4
Proof of concept
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.
Sascha Egerer and Oliver Hader (TYPO3 core team)
TYPO3-CORE-SA-2019-003: Broken Access Control in Localization Handling
TYPO3 9.5.4 and 8.7.23 security releases published
[TYPO3-announce] Announcing TYPO3 v9.5.4 and v8.7.23 security releases
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Last modified: May 10, 2019