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NPM: Astro: XSS via Unescaped Attribute Names in Spread Props

🗓️ 16 Jun 2026 14:57:21Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 2 Views

Astro has a cross site scripting flaw with unescaped attribute names in spread props, affecting versions before six four six.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54298
22 Jun 202617:33
attackerkb
Circl
CVE-2026-54298
12 Jun 202616:48
circl
CVE
CVE-2026-54298
22 Jun 202617:33
cve
Cvelist
CVE-2026-54298 Astro: XSS via Unescaped Attribute Names in Spread Props
22 Jun 202617:33
cvelist
EUVD
EUVD-2026-38336
22 Jun 202617:33
euvd
Github Security Blog
Astro: XSS via Unescaped Attribute Names in Spread Props
16 Jun 202614:57
github
NVD
CVE-2026-54298
22 Jun 202619:17
nvd
OSV
GHSA-JRPJ-WCV7-9FH9 Astro: XSS via Unescaped Attribute Names in Spread Props
16 Jun 202614:57
osv
Positive Technologies
PT-2026-49739
16 Jun 202600:00
ptsecurity
Snyk
Cross-site Scripting (XSS)
16 Jun 202614:57
snyk
Rows per page
Vulners
Node
npmastroRange6.4.6

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16 Jun 2026 14:57Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.2 - 6.1
EPSS0.00036
2