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GHSA-J687-52P2-XCFF Astro: XSS in define:vars via incomplete </script> tag sanitization

🗓️ 21 Apr 2026 20:39:49Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 10 Views

Astro defineScriptVars XSS allows HTML injection due to incomplete script tag sanitization (case, whitespace, slash).

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05 May 2026 16:07Current
6Medium risk
Vulners AI Score6
CVSS 3.16.1
EPSS0.00189
10