Server side template injection In typo3/cms
Description
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)(\..*)?$|^\.htaccess$
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 packagist | 7.6.22, 8.7.5 |
Aliases
1.
References
1. 2.