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GHSA-8HV8-536X-4WQP Astro: Reflected XSS via unescaped slot name

🗓️ 16 Jun 2026 14:05:06Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 6 Views

Astro SSR leaks reflected XSS via unescaped slot name in data-astro-template with client directives.

Related
Refs
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ATTACKERKB
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22 Jun 202617:31
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Github Security Blog
Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
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NVD
CVE-2026-50146
22 Jun 202619:17
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CVE-2026-50146 Astro: Reflected XSS via unescaped slot name
22 Jun 202617:31
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Patchstack
NPM: Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
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Positive Technologies
PT-2026-49731
16 Jun 202600:00
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16 Jun 2026 14:15Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.1
EPSS0.00177
6