GHSA-3cqw-pxgr-jhrm TYPO3 Backend Command Injection via Shell Metacharacters in Uploaded File Name

• Packagist typo3/cms-backend: <= 4.0.13 (no fix yet) • Packagist typo3/cms-backend: >= 4.1.0, < 4.1.13 → fixed in 4.1.13 • Packagist typo3/cms-backend: >= 4.2.0, < 4.2.10 → fixed in 4.2.10 • Packagist typo3/cms-backend: >= 4.3alpha1, < 4.3beta2 → fixed in 4.3beta2

The Backend subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2, when the DAM extension or ftp upload is enabled, allows remote authenticated users to execute arbitrary commands via shell metacharacters in a filename.