The Disable Json API, Login Lockdown, XMLRPC, Pingback, Stop User Enumeration Anti Hacker Scan plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the antihacker_add_whitelist() function in all versions up to, and including, 4.51. This makes it possible for unauthenticated attackers to add their IP Address to the whitelist circumventing protection
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.