[MEDIUM] External link injection on 404 pages when linking to the current page.

PKSA-rm5p-gw4d-nq88 CVE-2017-6932 GHSA-wm86-w3cf-h6vm

Affected package: drupal/core

Affected version: >=8.0,<8.1.0|>=8.1.0,<8.2.0|>=8.2.0,<8.3.0|>=8.3.0,<8.4.0|>=8.4.0,<8.4.5

Reported by:
FriendsOfPHP/security-advisories, GitHub