Headline
GHSA-67wg-6j7r-mqh8: Arbitrary Code Execution in TYPO3 CMS
Due to a missing file extension in the fileDenyPattern, backend user are allowed to upload *.pht files which can be executed in certain web server setups. The new default fileDenyPattern is the following, which might have been overridden in the TYPO3 Install Tool.
\.(php[3-7]?|phpsh|phtml|pht)(\..*)?$|^\.htaccess$
Arbitrary Code Execution in TYPO3 CMS
Critical severity GitHub Reviewed Published Jun 5, 2024 to the GitHub Advisory Database • Updated Jun 5, 2024