Description
Nuxt versions 4.0.0 before 4.4.7 and 3.x before 3.21.7 accept protocol-relative paths such as //evil.com in the reloadNuxtApp function; these pass the script-protocol check but resolve to a cross-origin URL against the current page protocol. Attackers can inject paths like //evil.com to redirect users to attacker-controlled hosts, enabling phishing and OAuth authorization-code theft.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Confidentiality (Vulnerable System)
Low
Integrity (Vulnerable System)
Low
Availability (Vulnerable System)
None
Confidentiality (Subsequent System)
Low
Integrity (Subsequent System)
Low
Availability (Subsequent System)
None
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
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-c9cv-mq2m-ppp3
- PATCHhttps://github.com/nuxt/nuxt/commit/e447a793c47766834f7497f8412a76cd56fd8ee1
- PATCHhttps://github.com/nuxt/nuxt/commit/6497d99dd106254abd089f6a263d7773869a343b
- VENDOR_ADVISORYhttps://www.vulncheck.com/advisories/nuxt-open-redirect-via-protocol-relative-paths-in-reloadnuxtapp