CVE-2026-56698

Medium

Description

Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 fail to validate script-capable URLs in the navigateTo open option, allowing client-side script execution. Attackers can supply javascript: URLs through the open parameter to execute arbitrary scripts in the application's origin when user-controlled input is passed to navigateTo.

SeverityMedium

CVSS6.1

Exploit probability—

Product

Nuxt

PublishedJun 22, 2026

First seenJun 22, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

nuxt nuxt3.21.7, 4.4.7 or later

Patches

Vendor advisories

github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3

Affected products

Product	Affected versions	Fixed in
nuxt nuxt	3.0.0 ≤ v < 3.21.7, 4.0.0 ≤ v < 4.4.7	3.21.7, 4.4.7

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