The RegistrationMagic WordPress plugin before 6.0.9.4 does not perform authorization, ownership or nonce checks on a front-end submission-editing action, allowing unauthenticated attackers to overwrite other users' form submissions and the profile fields of the associated non-administrator WordPress accounts.

The RegistrationMagic WordPress plugin before 6.0.9.4 does not properly validate that a one-time password presented in a cookie belongs to the identity being requested before returning front-end form submissions, allowing unauthenticated attackers to read other users' form submission data, including personal information.

The RegistrationMagic WordPress plugin before 6.0.9.4 does not sanitise and escape a parameter before using it in a SQL statement, which could allow high privilege users such as admin to perform SQL injection attacks.