Security Advisory

CVE-2025-67716

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-11 00:21:27

Last updated 2025-12-11 16:09:34

Assigner GitHub_M

State PUBLISHED

Description

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.

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