GHSA-6xwf-7rfm-4gwc: TYPO3 Cross-Site Scripting in Filelist Module

May 30, 2024

It has been discovered that the output table listing in the “Files” backend module is vulnerable to cross-site scripting when a file extension contains malicious sequences.

Access to the file system of the server - either directly or through synchronization - is required to exploit the vulnerability.

References

github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/2019-12-17-3.yaml
github.com/TYPO3-CMS/core
github.com/advisories/GHSA-6xwf-7rfm-4gwc
typo3.org/security/advisory/typo3-core-sa-2019-023

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