Intel/AIKIDO-2025-10118
better-auth
AIKIDO-2025-10118
better-auth is vulnerable to Open Redirect
Open Redirect Pre-CVE Published Feb 27, 2025
Found by Aikido Intel before public disclosure or CVE publication.
90
Critical Risk
This Affects:
better-auth0.6.2 - 1.1.20
Fixed in 1.1.21Are you affected? Scan for Free
TL;DR
Affected versions of this package are vulnerable to an open redirect due to insufficient validation of the callbackURL parameter in the trustedOrigins configuration. Attackers can exploit this by crafting specially formatted URLs that bypass trustedOrigins protection, potentially redirecting users to malicious sites.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
better-auth is vulnerable to Open Redirect in versions 0.6.2 - 1.1.20.
How to fix this
Upgrade the better-auth library to the patch version.
Are You Affected?
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