How to Find a Backdoor in a Hacked WordPress Site and Fix It

Time and time again, we have helped users fix their hacked WordPress sites. Most of the time when they reach out to us, they have already cleaned up the site, and the hacker was able to get back in. This happens if you did not clean it up properly, or you did not know what you were looking for. In most cases that we found, there was a backdoor created by the hacker which allowed them to bypass normal authentication. In this article, we will show you how to find a backdoor in a hacked WordPress site and fix it.