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Cross-site Scripting (XSS)

🗓️ 16 Jun 2026 17:52:29Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode
🔗 sca.analysiscenter.veracode.com👁 6 Views

Astro is vulnerable to cross-site scripting from improper HTML escaping of named slot content in data-astro-template attributes.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-50146
12 Jun 202616:47
circl
CVE
CVE-2026-50146
16 Jun 202614:05
cve
Github Security Blog
Astro: Reflected XSS via unescaped slot name
16 Jun 202614:05
github
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
Vulners
Node
astroastroRange0.0.0-2021710222516.3.2js

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20 Jun 2026 06:16Current
5.4Medium risk
Vulners AI Score5.4
EPSS0.00029
6