Nuxt: Incomplete fix for GHSA-934w-87qh-qr26: a `javascript:` URL prefixed with an ASCII control character executes from `<NuxtLink>` when `pages` is disabled

[ Description ]Official description

Nuxt is an open-source web development framework for Vue.js. Prior to 4.6.0, an incomplete fix for CVE-2026-53722 allows an application with pages disabled to render a script-capable URL through NuxtLink when attacker-controlled input bound to to is prefixed with an ASCII C0 control character. The no-pages router classifies the value as an internal route before the earlier protocol check and passes it to the rendered anchor href; browsers remove the leading control character and interpret the remaining javascript: URL. The default anchor and NuxtLink custom output are affected, the unsafe href is present in server-rendered HTML, and a victim must click the link for script to execute in the application's origin. This issue is fixed in version 4.6.0.

[ Fixes ]Fixes and patches

• nuxt 4.6.0Fixed version · GitHub Advisories · npm package nuxt: upgrade to 4.6.0 or later (affected < 4.6.0)

[ Packages ]Affected open-source packages

• nuxt npmAffected < 4.6.0 · fixed in 4.6.0 · GHSA-jjm6-p2m9-9w4x

[ References ]References

• github.com/nuxt/nuxt/commit/355ed9565127ff9b1453deb7160059ed55b3cb85
• github.com/nuxt/nuxt/commit/df46569d5d3c7a7799de54c328634168fbae70bb
• github.com/nuxt/nuxt/pull/36459
• github.com/nuxt/nuxt/releases/tag/v4.6.0
• github.com/nuxt/nuxt/security/advisories/GHSA-jjm6-p2m9-9w4x