PT-2025-28223 · Unknown · Better Auth

Imenyoo2 + 1 · Published 2025-07-07 · Updated 2025-07-07 · CVE-2025-53535

Positive Technologies (AI Summary)

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: Better Auth versions prior to 1.2.10

Description: An open redirect issue has been found in the originCheck middleware function of Better Auth, an authentication and authorization library for TypeScript. The affected routes include "/verify-email", "/reset-password/:token", "/delete-user/callback", "/magic-link/verify", and "/oauth-proxy-callback".

Recommendations: For versions prior to 1.2.10, update to version 1.2.10 to resolve the issue. As a temporary workaround, consider restricting access to the affected routes until the update can be applied.

Exploit

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

CVE-2025-53535

GHSA-36RG-GFQ2-3H56

Affected Products

Better Auth

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53535.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-53535 · Security Note
• https://osv.dev/vulnerability/CVE-2025-53535 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-36rg-gfq2-3h56 · Vendor Advisory
• https://github.com/better-auth/better-auth · Note
• https://github.com/better-auth/better-auth/security/advisories/GHSA-36rg-gfq2-3h56 · Note
• https://github.com/better-auth/better-auth/commit/9801d1be53d9da04686b94c6286c53ec97496740 · Note
• https://twitter.com/CVEnew/status/1942280706740064515 · Twitter Post