Just a suggestion on top of the great guidance Mark has already given you. Since you asked about plugins, there is a plugin called Wordfence Security that has a scan feature that might help you with finding the links.
Good luck.
Just a suggestion on top of the great guidance Mark has already given you. Since you asked about plugins, there is a plugin called Wordfence Security that has a scan feature that might help you with finding the links.
Good luck.