The age-restriction WordPress plugin through 3.0.2 does not have authorisation in the age_restrictionRemoteSupportRequest function, allowing any authenticated users, such as subscriber to create an admin user with a hardcoded username and arbitrary password.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNo configuration data available.