What is CVE-2026-56698?

CVE-2026-56698 is a medium-severity vulnerability in Nuxt, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-22.

How severe is CVE-2026-56698?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Nuxt

CVE-2026-56698

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 a…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Nuxt — versions 4.0.0, 4.4.7, 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56698?: CVE-2026-56698 is a medium-severity vulnerability in Nuxt, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-22.
How severe is CVE-2026-56698?: Medium severity. CVSS v3 base score is 6.1 out of 10.