Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nuxt | Nuxt | >= 3.0.0, < 3.21.7 |
Related Weaknesses (CWE)
References
- https://github.com/nuxt/nuxt/commit/3394716d4a913cba904b028df5338f2aead50032Patch
- https://github.com/nuxt/nuxt/commit/62fc32eddf648b00a3890141e0235d2a222b024dPatch
- https://github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3Third Party Advisory
- https://www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-navigateto-opThird Party Advisory
FAQ
What is CVE-2026-56698?
CVE-2026-56698 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 ...
How severe is CVE-2026-56698?
CVE-2026-56698 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56698?
Check the references section above for vendor advisories and patch information. Affected products include: Nuxt Nuxt.