Medium severity6.1NVD Advisory· Published Jun 20, 2026· Updated Jun 24, 2026
CVE-2026-56317
CVE-2026-56317
Description
Nuxt before 4.4.7 (and the 3.x branch before 3.21.7) contains a cross-site scripting vulnerability in the NoScript component that writes slot content to innerHTML without escaping. Attackers can inject malicious scripts through untrusted data in NoScript slots, such as route.query parameters, which execute in the document context when the noscript tag is implicitly closed by script tags.
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Affected products
2Patches
Vulnerability mechanics
References
6- github.com/nuxt/nuxt/commit/4b054e9d95f8daf366cb144b52782047c511a66envdPatch
- github.com/nuxt/nuxt/commit/7fea9fd687f1dacbfb63db5fae5839896b017a0envdPatch
- github.com/nuxt/nuxt/security/advisories/GHSA-m3q2-p4fw-w38mnvdMitigationPatchVendor Advisory
- www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-noscript-component-slot-contentnvdPatchThird Party Advisory
- github.com/advisories/GHSA-m3q2-p4fw-w38mghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-56317ghsa
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