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Astro: Reflected XSS via unescaped slot name

🗓️ 16 Jun 2026 14:05:06Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 18 Views

Astro SSR allows reflected XSS via unescaped slot name in data-astro-template.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-50146
12 Jun 202616:47
circl
CVE
CVE-2026-50146
16 Jun 202614:05
cve
OSV
GHSA-8HV8-536X-4WQP Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
osv
Positive Technologies
PT-2026-49731
16 Jun 202600:00
ptsecurity
Snyk
Cross-site Scripting (XSS)
16 Jun 202614:05
snyk
Veracode
Cross-site Scripting (XSS)
16 Jun 202617:52
veracode
Vulners
Node
astroastroRange<6.3.3npm

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16 Jun 2026 14:05Current
5.4Medium risk
Vulners AI Score5.4
EPSS0.00029
18