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GHSA-5339-HVWR-7582 Unhead Vulnerable to Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

🗓️ 12 Mar 2026 14:19:25Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Unhead makeTagSafe href check is case sensitive, allowing data and javascript URLs via DATA:.

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14 Mar 2026 06:18Current
6Medium risk
Vulners AI Score6
CVSS 3.10
EPSS0.00237
2