symfony/html-sanitizer Security Advisories for 6.3.x-dev (5)
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CVE-2026-48760: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Defense
PKSA-bvdf-tk8n-sbsf CVE-2026-48760
Affected version: >=6.1.0,<6.2.0|>=6.2.0,<6.3.0|>=6.3.0,<6.4.0|>=6.4.0,<6.4.41|>=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,<7.4.13|>=8.0.0,<8.0.13
Reported by:
FriendsOfPHP/security-advisories -
CVE-2026-48761: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes on <object>, <applet>, <iframe>, <img> and the URL Inside <meta http-equiv="refresh"> content
PKSA-3d8r-4bff-vcj1 CVE-2026-48761
Affected version: >=6.1.0,<6.2.0|>=6.2.0,<6.3.0|>=6.3.0,<6.4.0|>=6.4.0,<6.4.41|>=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,<7.4.13|>=8.0.0,<8.0.13
Reported by:
FriendsOfPHP/security-advisories -
[MEDIUM] CVE-2026-45064: HtmlSanitizer URL Attributes Pass Through BiDi Override Characters → Visual href Spoofing
PKSA-4fc7-y875-17k3 CVE-2026-45064 GHSA-h5vq-qfcg-4m6p
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 -
[MEDIUM] CVE-2026-45066: HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification
PKSA-jwvg-gphd-brbz CVE-2026-45066 GHSA-qc95-4862-92fh
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 -
[LOW] CVE-2026-45753: HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite: javascript: URI Survives Sanitization (XSS)
PKSA-q2wy-m7mz-kg58 CVE-2026-45753 GHSA-hhg7-c65m-h7ff
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