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CVE-2025-53535

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Date: July 7, 2025

Better Auth is an authentication and authorization library for TypeScript. An open redirect has been found in the originCheck middleware function, which affects the following routes: /verify-email, /reset-password/:token, /delete-user/callback, /magic-link/verify, /oauth-proxy-callback. This vulnerability is fixed in 1.2.10.

Severity Score

Related Resources (5)

https://github.com/better-auth/better-auth
https://github.com/better-auth/better-auth/commit/9801d1be53d9da04686b94c6286c53ec97496740
https://nvd.nist.gov/vuln/detail/CVE-2025-53535
https://github.com/better-auth/better-auth/security/advisories/GHSA-36rg-gfq2-3h56
https://www.mend.io/vulnerability-database/CVE-2025-53535

Severity Score

Weakness Type (CWE)

URL Redirection to Untrusted Site ('Open Redirect')

CWE-601

Top Fix

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Upgrade Version

Upgrade to version better-auth - 1.2.10

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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