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GHSA-QC95-4862-92FH Symfony has an HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification

🗓️ 27 May 2026 20:13:04Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 9 Views

HtmlSanitizer bypass via URL parsing; resolves by rejecting backslashes and slash-only URLs and applying link policy to area.

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27 May 2026 20:30Current
5.8Medium risk
Vulners AI Score5.8
CVSS 42.3
EPSS0.00048
9