[MEDIUM] CVE-2026-45066: HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification

PKSA-vty3-cvqg-rtn4 CVE-2026-45066 GHSA-qc95-4862-92fh

Affected package: symfony/symfony

Affected version: >=6.1.0,<6.2.0|>=6.2.0,<6.3.0|>=6.3.0,<6.4.0|>=6.4.0,<6.4.40|>=7.0.0,<7.1.0|>=7.1.0,<7.2.0|>=7.2.0,<7.3.0|>=7.3.0,<7.4.0|>=7.4.0,<7.4.12|>=8.0.0,<8.0.12

Reported by:
GitHub, FriendsOfPHP/security-advisories