WordPress security changelog
CRITICAL CVE-2020-36847 Analyzed

Simple-File-List: Code execution

Simple-File-List is affected by code execution. The vulnerable path is reachable without authentication. Successful exploitation can run attacker-controlled code in the WordPress hosting account.

CVE / CNA score 9.8 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Simple-File-List
Plugin slug
simple-file-list
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jul 12, 2025
Weakness
CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published Jul 12, 2025 and is one of 18 known issues for this plugin.

Update, patch or deactivate.

Update Simple-File-List to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Simple-File-List Plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 4.2.2 via the rename function which can be used to rename uploaded PHP code with a png extension to use a php extension. This allows unauthenticated attackers to execute code on the server.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary and upstream sources