high7.1
CVE-2025-71403
better-auth versions before 1.1.20 contain a bypass vulnerability in trustedOrigins validation logic affecting absolute URLs and wildcard domains.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Better-Auth | before 1.1.20 |
Versions were read from the advisory text. No structured product data has been published for this record yet.