RULE(RULE ID:331024)

Rule General Information
Release Date: 2020-09-04
Rule Name: Wordpress File Manager Unauthorized File Upload Vulnerability
Severity:
CVE ID:
Rule Protection Details
Description: File Manager, a WordPress plugin.Attackers are using the exploit to upload files that contain webshells that are hidden in an image. From there, they have a convenient interface that allows them to run commands in plugins/wp-file-manager/lib/files/, the directory where the File Manager plugin resides.
Impact: In the affected version, attackers can use this vulnerability to upload files and then execute arbitrary code.
Affected OS: Windows, Linux, Others
Reference: https://arstechnica.com/information-technology/2020/09/hackers-are-exploiting-a-critical-flaw-affecting-350000-wordpress-sites/
https://www.solidot.org/story?sid=65420
Solutions
Check the Wordpress File Manager plug-in to make sure the version number is 6.9 and above.