Update the WordPress WPIDE – File Manager & Code Editor plugin to the latest available version (at least 3.0).
Raad Haddad discovered and reported this Local File Inclusion vulnerability in WordPress WPIDE – File Manager & Code Editor Plugin. This could allow a malicious actor to include local files of the target website and show its output onto the screen. Files which store credentials, such as database credentials, could potentially allow complete database takeover. This vulnerability has been fixed in version 3.0.
Authenticated Arbitrary File Read vulnerability
Authenticated Arbitrary File Edit/Upload vulnerability