The WP 2FA WordPress plugin before 4.1.0 does not validate the second authentication factor when one of its supported methods is selected at login, allowing an attacker who already knows a user's password to bypass two-factor authentication and fully access the account, including administrator accounts.
https://wpscan.com/vulnerability/a8d697c9-6de4-4a28-be9e-7d42abcb6c7e/