[MEDIUM] TYPO3 is susceptible to Cross-Site Flashing

PKSA-yxxk-7kcz-vv2r GHSA-hww5-6x85-mc24

Affected package: typo3/cms

Affected version: >=6.2.0,<6.2.16

Reported by:
GitHub, FriendsOfPHP/security-advisories