CVE-2025-71403
CVE-2025-71403 · better-auth before 1.1.20 Open Redirect via trustedOrigins Bypass
This page contains facts from public vulnerability sources. Check the original advisory before updating.
better-auth versions before 1.1.20 contain a bypass vulnerability in trustedOrigins validation logic affecting absolute URLs and wildcard domains. Attackers can construct malicious callbackURL parameters that pass origin checks and trigger open redirects to steal sensitive tokens for account takeover.
CVSS 7.1 · High · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
better-auth
- Versions
- ≥ 0, < 1.1.20: Affected (semver)
- 1.1.20: Not affected (semver)
Update to 1.1.20
better-auth npm
- Affected ranges
- SEMVER: < 1.1.21
Update to 1.1.21