CVE-2026-56317

LOW

Nuxt - Cross-Site Scripting via NoScript Component Slot Content

Title source: cna

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.

References (4)

Core 4

Core References

Vendor Advisory vendor-advisory

GHSA Advisory GHSA-m3q2-p4fw-w38m

https://github.com/nuxt/nuxt/security/advisories/GHSA-m3q2-p4fw-w38m

Patch patch

https://github.com/nuxt/nuxt/commit/4b054e9d95f8daf366cb144b52782047c511a66e

View Patch ZIP pw:eip

Patch patch

https://github.com/nuxt/nuxt/commit/7fea9fd687f1dacbfb63db5fae5839896b017a0e

View Patch ZIP pw:eip

Third Party Advisory third-party-advisory

VulnCheck Advisory: Nuxt - Cross-Site Scripting via NoScript Component Slot Content

https://www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-noscript-component-slot-content

Scores

CVSS v4 2.3

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

Details

CWE

CWE-79

Status published

Products (4)

Nuxt/Nuxt < 3.21.7

Nuxt/Nuxt 3.21.7

Nuxt/Nuxt 4.0.0 - 4.4.7

Nuxt/Nuxt 4.4.7

Published Jun 20, 2026

Tracked Since Jun 20, 2026