What is CVE-2026-45669?

CVE-2026-45669 is a medium-severity vulnerability in Nuxt, classified under Improper Neutralization of Script in Attributes in a Web Page. CVSS score: 5.4/10. Published 2026-06-12.

How severe is CVE-2026-45669?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Nuxt

CVE-2026-45669

Nuxt is an open-source web development framework for Vue.js. From versions 3.4.3 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6, navigateTo() with external: true generates a server-side HTML redirect body containing a <meta http-equiv=…

EPSS: 0.002 (6.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Nuxt — versions >= 3.4.3, < 3.21.6, >= 4.0.0-alpha.1, < 4.4.6

Weakness classification (CWE)

CWE-83 — Improper Neutralization of Script in Attributes in a Web Page

References

security-advisories@github.com (x_refsource_MISC, Issue Tracking)
security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-45669?: CVE-2026-45669 is a medium-severity vulnerability in Nuxt, classified under Improper Neutralization of Script in Attributes in a Web Page. CVSS score: 5.4/10. Published 2026-06-12.
How severe is CVE-2026-45669?: Medium severity. CVSS v3 base score is 5.4 out of 10.