CVE-2026-56698 Nuxt - Cross-Site Scripting via navigateTo open Option
Attackers can execute arbitrary scripts in the application's origin by supplying javascript: URLs to the navigateTo open option in Nuxt.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-56698?
CVE-2026-56698 is a medium-severity cross-site scripting vulnerability in Nuxt, published on 22 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-56698?
It affects 1 product.
Products include Nuxt Nuxt.
How do I fix CVE-2026-56698?
No fix has been published for CVE-2026-56698 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-56698 being exploited?
There is no known exploitation of CVE-2026-56698 in the wild and no public exploit code.
Other vulnerabilities in Nuxt
- CVE-2026-53721 Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher
- CVE-2024-23657 Path Traversal: '../filedir' in Nuxt Devtools
- CVE-2024-34344 Remote code execution via the browser when running the test locally in nuxt
- CVE-2024-42352 Server-Side Request Forgery (SSRF) in nuxt-icon
- CVE-2023-3224 Code Injection in nuxt/nuxt
Sources
Also known as GHSA-h345-75vh-jjwf.