Please immediately deactivate and uninstall any 3rd party file management plugin you’re using in WordPress; it will eventually get you hacked.
Tag: FTP
How to log into cPanel directly?
You can use the cPanel admin credentials by just adding “/cpanel” to the primary domain of your hosting and login directly.
How to find the cPanel Admin User FTP Credentials
This is the primary admin cPanel credentials that get you into the root of the hosting and without any directory limits or permissions.