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.
https://wpscan.com/vulnerability/fe6d0f6a-c2b4-4cd1-a7d2-e3afec76ebca/