TI-2026-40682 Aliases CVE-2026-56317 GHSA-m3q2-p4fw-w38m

Nuxt - Cross-Site Scripting via NoScript Component Slot Content

LOW 12CWE-79Published 2026-06-20 · Updated 2026-06-24

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: Present
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00342 27th percentileScored 2026-11-07

Fix Fixed Nuxt (Nuxt): 4.4.7, 3.21.7nuxt (npm): 4.4.7, 3.21.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
nuxt	Nuxt	4.0.0 to before 4.4.7	4.4.7	Patch available	CNA
nuxt	Nuxt	before 3.21.7	3.21.7	Patch available	CNA
—	nuxt (npm)	4.0.0 to before 4.4.7	4.4.7	Patch available	GHSA-m3q2-p4fw-w38m
—	nuxt (npm)	before 3.21.7	3.21.7	Patch available	GHSA-m3q2-p4fw-w38m

Nuxt Vendornuxt Affected 4.0.0 to before 4.4.7 Fixed in 4.4.7 Patch available CNA
Nuxt Vendornuxt Affected before 3.21.7 Fixed in 3.21.7 Patch available CNA
nuxt (npm) Vendor— Affected 4.0.0 to before 4.4.7 Fixed in 4.4.7 Patch available GHSA-m3q2-p4fw-w38m
nuxt (npm) Vendor— Affected before 3.21.7 Fixed in 3.21.7 Patch available GHSA-m3q2-p4fw-w38m

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:nuxt:nuxt::::::::	before 3.21.7; 4.0.0 to before 4.4.7	Vulnerable	nuxt

cpe:2.3:a:nuxt:nuxt:*:*:*:*:*:*:*:* Versions before 3.21.7; 4.0.0 to before 4.4.7 Vulnerable ·nuxt

Remediation

Fix · CNA Nuxt (Nuxt) Fixed in 4.4.7
Fix · CNA Nuxt (Nuxt) Fixed in 3.21.7
Fix · GHSA-m3q2-p4fw-w38m nuxt (npm) Fixed in 4.4.7 Advisory →
Fix · GHSA-m3q2-p4fw-w38m nuxt (npm) Fixed in 3.21.7 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-56317
2026-10-03 Alias added: GHSA-m3q2-p4fw-w38m

References

Patch 3

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-56317

Other 1

https://github.com/nuxt/nuxt

TI-2023-03020 Code Injection in nuxt/nuxt CVSS 3.1CRITICAL 9.8
TI-2024-28339 Server-Side Request Forgery (SSRF) in nuxt-icon CVSS 3.1HIGH 8.6
TI-2024-22685 Remote code execution via the browser when running the test locally in nuxt CVSS 3.1HIGH 8.8
TI-2026-34788 Nuxt: Route middleware not enforced when rendering `.server.vue` pages via `/__nuxt_island/page_*` CVSS 4.0MEDIUM 6.3
TI-2024-22684 Cross-site Scripting (XSS) in navigateTo if used after SSR in nuxt CVSS 3.1MEDIUM 6.3
TI-2023-00833 Cross-site Scripting (XSS) - Generic in nuxt/framework CVSS 3.1MEDIUM 6.1

See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences