CVE-2026-45669

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

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="refresh"> tag. The destination URL is only sanitized by replacing " with %22, leaving <, >, &, and ' unencoded. An attacker who can influence the URL passed to navigateTo(url, { external: true }) can break out of the content="…" attribute and inject arbitrary HTML/JavaScript that executes under the application's origin. This issue has been patched in versions 3.21.6 and 4.4.6.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-83

Affected software

Vendor	Product	Versions
nuxt	nuxt	>= 3.4.3, < 3.21.6; >= 4.0.0-alpha.1, < 4.4.6

References

https://github.com/nuxt/nuxt/pull/35052Issue Tracking
https://github.com/nuxt/nuxt/security/advisories/GHSA-fx6j-w5w5-h468Exploit, Patch, Vendor Advisory
https://github.com/nuxt/nuxt/security/advisories/GHSA-fx6j-w5w5-h468Exploit, Patch, Vendor Advisory

Timeline

Published: Jun 12, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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