Vulnerability · Published Jun 22, 2026 · Assigned by VulnCheck

CVE-2026-56698Nuxt - Cross-Site Scripting via navigateTo open Option

Medium 6.1

In plain English

A medium-severity cross-site scripting in Nuxt from Nuxt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.4%top 64.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	nuxt	4.4.7	GHSA-c9cv-mq2m-ppp3
npm	nuxt	3.21.7	GHSA-c9cv-mq2m-ppp3

Affected products (as reported)

Vendor	Product	Versions
Nuxt	Nuxt	4.0.0 – before 4.4.7
Nuxt	Nuxt	0 – before 3.21.7

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

GitHub Security Advisory (GHSA-c9cv-mq2m-ppp3) vendor-advisory
https://github.com/nuxt/nuxt/commit/3394716d4a913cba904b028df5338f2aead50032 patch
https://github.com/nuxt/nuxt/commit/62fc32eddf648b00a3890141e0235d2a222b024d patch
VulnCheck Advisory: Nuxt - Cross-Site Scripting via navigateTo open Option third-party-advisory