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EEF-CVE-2026-66843 html_sanitize_ex HTML5 scrubber keeps attacker-supplied `<object>` elements, allowing untrusted content embedding

🗓️ 06 Aug 2026 14:48:20Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

HTML5 scrubber allows attacker-supplied object data to load untrusted content in sanitized HTML.

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06 Aug 2026 15:10Current
5.5Medium risk
Vulners AI Score5.5
CVSS 42.3
3