[MEDIUM] TYPO3-CORE-SA-2021-008: Cross-Site Scripting in Content Preview

PKSA-txbn-cfcc-9zgj CVE-2021-21370 GHSA-x7hc-x7fm-f7qh

Affected package: typo3/cms

Affected version: >=10.0.0,<10.4.14|>=11.0.0,<11.1.1|>=9.0.0,<9.5.25

Reported by:
GitHub, FriendsOfPHP/security-advisories