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 arbitrary scripts in the application's origin when user-controlled input is passed to navigateTo.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/nuxt/nuxt/commit/3394716d4a913cba904b028df5338f2aead50032
https://github.com/nuxt/nuxt/commit/62fc32eddf648b00a3890141e0235d2a222b024d
https://github.com/nuxt/nuxt/security/advisories/GHSA-c9cv-mq2m-ppp3
https://www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-navigateto-open-option