CVE-2025-67716— Auth0 Next.js SDK has Improper Validation of Query Parameters
Quick assessment
Affected
auth0 nextjs-auth0
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
nextjs-auth0是Auth0开源的一个Next.js SDK，用于使用Auth0登录。 nextjs-auth0 4.9.0版本至4.12.1版本存在安全漏洞，该漏洞源于returnTo参数输入验证不足，可能导致OAuth查询参数注入。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-67716
Vulnerability Information
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Vulnerability Title
Auth0 Next.js SDK has Improper Validation of Query Parameters
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5
Vulnerability Title
nextjs-auth0 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nextjs-auth0是Auth0开源的一个Next.js SDK，用于使用Auth0登录。 nextjs-auth0 4.9.0版本至4.12.1版本存在安全漏洞，该漏洞源于returnTo参数输入验证不足，可能导致OAuth查询参数注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| auth0 | nextjs-auth0 | >= 4.9.0, < 4.13.0 | - |
|
II. Public POCs for CVE-2025-67716
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2025-67716 (1)
Vendor Advisories for CVE-2025-67716 (1)
-
https://github.com/auth0/nextjs-auth0/security/advisories/GHSA-mr6f-h57v-rpj5 x_refsource_CONFIRM
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