Implementation trusts the "me" field returned by the authorization server without verifying it
ImpactA 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.PatchesVersion 1.1 fixes this issue.WorkaroundsThere is no workaround. Upgrade to 1.1 immediately.References[Security Considerations: Differing User Profile URLs](https://indieauth.spec.indieweb.org/#differing-user-profile-urls-li-1) in the IndieAuth specification.For more informationIf you have any questions or comments about this advisory:Open an issue in [simonw/datasette-indieauth](https://github.com/simonw/datasette-indieauth/issues)