Implementation trusts the "me" field returned by the authorization server without verifying it
Impact A malicious user can sign in as a user with any IndieAuth identifier. This is because the implementation does not verify that the final "me" URL value returned by the authorization server belongs to the same domain as the initial value entered by the user. Patches fixes this issue. Workarounds There is no workaround. Upgrade to immediately. References Security Considerations: Differing User Profile URLs in the IndieAuth specification. For …