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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Nuxt Nuxt unaffected
Version Status Constraints
4.0.0 affected < 4.4.7
4.4.7 unaffected —
Nuxt Nuxt unaffected
Version Status Constraints
0 affected < 3.21.7
3.21.7 unaffected —

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Project Subscriptions

Vendors Products
Nuxt Subscribe
Nuxt Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/nuxt/nuxt/commit/4b054e9d95f8daf366cb144b52782047c511a66e cve-icon
https://github.com/nuxt/nuxt/commit/7fea9fd687f1dacbfb63db5fae5839896b017a0e cve-icon
https://github.com/nuxt/nuxt/security/advisories/GHSA-m3q2-p4fw-w38m cve-icon
https://www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-noscript-component-slot-content cve-icon
History

Sat, 20 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
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.
Title Nuxt - Cross-Site Scripting via NoScript Component Slot Content
First Time appeared Nuxt
Nuxt nuxt
Weaknesses CWE-79
CPEs cpe:2.3:a:nuxt:nuxt:*:*:*:*:*:node.js:*:*
Vendors & Products Nuxt
Nuxt nuxt
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-20T15:21:56.449Z

Reserved: 2026-06-20T12:59:07.917Z

Link: CVE-2026-56317

cve-icon Vulnrichment

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cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-20T16:30:08Z

Weaknesses