[MEDIUM] Cross-site scripting (XSS) vulnerability in the system log

PKSA-vwzw-wjqk-61c9 CVE-2021-35210 GHSA-h58v-c6rf-g9f7

Affected package: contao/contao

Affected version: >=4.5.0,<4.9.16|>=4.10.0,<4.11.0|>=4.11.0,<4.11.5

Reported by:
FriendsOfPHP/security-advisories, GitHub