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CVE-2026-54298

🗓️ 16 Jun 2026 14:57:21Reported by candidateType 
cve
 cve👁 7 Views

Astro is affected by a XSS vulnerability (CVE-2026-54298) via unescaped attribute names when spreading props onto HTML elements. The root cause is that spreadAttributes passes object keys directly to addAttribute without escaping the key, while va...

Related
ReporterTitlePublishedViews
Family
Circl		CVE-2026-54298
12 Jun 202616:48
–circl
Github Security Blog		Astro: XSS via Unescaped Attribute Names in Spread Props
16 Jun 202614:57
–github
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
Veracode		Cross-site Scripting (XSS)
17 Jun 202617:07
–veracode

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16 Jun 2026 14:57Current
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