Update the WordPress WPIDE – File Manager & Code Editor plugin to the latest available version (at least 3.0).
Vlad Vector discovered and reported this Arbitrary File Upload vulnerability in WordPress WPIDE – File Manager & Code Editor Plugin. This could allow a malicious actor to upload any type of file to your website. This can include backdoors which are then executed to gain further access to your website. This vulnerability has been fixed in version 3.0.
Authenticated Arbitrary File Read vulnerability
Authenticated Local File Inclusion (LFI) vulnerability