Description
Nuxt before 4.4.7 (and the 3.x branch before 3.21.7) contains a cross-site scripting vulnerability in the NoScript component that writes slot content to innerHTML without escaping. Attackers can inject malicious scripts through untrusted data in NoScript slots, such as route.query parameters, which execute in the document context when the noscript tag is implicitly closed by script tags.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
Passive
Confidentiality (Vulnerable System)
Low
Integrity (Vulnerable System)
Low
Availability (Vulnerable System)
None
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
Affected products
- Nuxt / Nuxt4.0.0 – 4.4.7
- Nuxt / Nuxt4.4.7 – 4.4.7
- Nuxt / Nuxt0 – 3.21.7
- Nuxt / Nuxt3.21.7 – 3.21.7
References
- VENDOR_ADVISORYhttps://github.com/nuxt/nuxt/security/advisories/GHSA-m3q2-p4fw-w38m
- PATCHhttps://github.com/nuxt/nuxt/commit/4b054e9d95f8daf366cb144b52782047c511a66e
- PATCHhttps://github.com/nuxt/nuxt/commit/7fea9fd687f1dacbfb63db5fae5839896b017a0e
- VENDOR_ADVISORYhttps://www.vulncheck.com/advisories/nuxt-cross-site-scripting-via-noscript-component-slot-content