GHSA-mr6f-h57v-rpj5 · Severity: low · Ecosystem: npm — Improper Validation of Query Parameters in Auth0 Next.js SDK
The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions 4.9.0 through 4.12.1 contain an input-validation flaw in the returnTo parameter, which could allow attackers to inject unintended OAuth query parameters into the Auth0 authorization request. Successful exploitation may result in tokens being issued with unintended parameters. This issue is fixed in version 4.13.0.
Conclusion & alert: CVE-2025-67716 is rated Low Risk (27.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.04%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-08 | 0.05% | 0.04% | -0.01% |
| 2 | 2026-01-12 | 0.05% | 0.05% | +0.01% |
| 3 | 2026-01-05 | — | 0.05% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.7 | 3.1 | MEDIUM |
|
0.5 | 5.2 | [email protected] |
GHSA-mr6f-h57v-rpj5 · Severity: low · Ecosystem: npm — Improper Validation of Query Parameters in Auth0 Next.js SDK
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| auth0 | nextjs-auth0 | >= 4.9.0, < 4.12.1 | cpe:2.3:a:auth0:nextjs-auth0:*:*:*:*:*:node.js:*:* |