Open Redirect Affecting better-auth package, versions <1.1.20


Severity

Recommended
0.0
medium
0
10

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  • Snyk IDSNYK-JS-BETTERAUTH-8746067
  • published25 Feb 2025
  • disclosed24 Feb 2025
  • creditSumeet, Shivaraj

Introduced: 24 Feb 2025

NewCVE-2025-27143  (opens in a new tab)
CWE-601  (opens in a new tab)

How to fix?

Upgrade better-auth to version 1.1.20 or higher.

Overview

better-auth is a The most comprehensive authentication library for TypeScript.

Affected versions of this package are vulnerable to Open Redirect due to improper validation of the `callbackURL parameter in the email verification endpoint and other endpoints that accept a callback URL.

References

CVSS Scores

version 4.0
version 3.1