[MEDIUM] Cross-Site Scripting in Content Preview

PKSA-n961-k227-s276 CVE-2021-21340 GHSA-fjh3-g8gq-9q92

Affected package: typo3/cms-backend

Affected version: >=11.0.0,<=11.1.0|>=10.0.0,<=10.4.13

Reported by:
GitHub