[HIGH] TYPO3 doesn't properly check file extensions

PKSA-bnxg-w2nv-qv7s CVE-2013-4250 GHSA-54jj-pxx2-pv8h

Affected package: typo3/cms

Affected version: >=6.1.0,<6.1.3|>=6.0.0,<6.0.8

Reported by:
GitHub