Security Advisory – CVE-2020-12832

Product: Simple File List
Vendor : https://elementengage.com
Vulnerable Version: Simple File List4.2.7
Category: Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’)
Vendor Notified: 2020-05-03
Patched: May 11 2020
Researcher(s) : Christian Angel
CVE: 2020-12832

Simple File List is a free plugin that gives your WordPress website a list of your files allowing your users to open and download them. Users can also upload files if you choose. Simple File List is also an alternative to using FTP or Dropbox for larger files.

Summary

WordPress Plugin Simple File List is prone to a vulnerability that lets attackers delete arbitrary files because the application fails to properly verify user-supplied input.

Proof of Concept

Due to its severe vulnerability, the Proof of Concept can’t be released to the public.

Solution

Update the application to the latest version

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12832

https://plugins.trac.wordpress.org/changeset/2302759