CVE-2026-56317
Nuxt - Cross-Site Scripting via NoScript Component Slot Content
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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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://github.com/nuxt/nuxt/security/advisories/GHSA-m3q2-p4fw-w38m
- https://github.com/nuxt/nuxt/commit/4b054e9d95f8daf366cb144b52782047c511a66e
- https://github.com/nuxt/nuxt/commit/7fea9fd687f1dacbfb63db5fae5839896b017a0e
- https://www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-noscript-component-slot-content
References (4)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Quick Info
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