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CVE-2026-54298 Astro: XSS via Unescaped Attribute Names in Spread Props

🗓️ 22 Jun 2026 17:33:15Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Astro before 6.4.6 fixes XSS from unescaped spread attribute names in SSR; untrusted keys could inject attributes or events.

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08 Jul 2026 08:09Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.14.2
EPSS0.0016
2