CVE-2020-36847 Simple File List < 4.2.3 - Remote Code Execution

Critical 9.8 Published Updated

Unauthenticated attackers can execute arbitrary code on the server by renaming uploaded files to PHP extensions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-36847?

CVE-2020-36847 is a critical vulnerability in eemitch Simple File List, published on 12 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2020-36847?

It affects 1 product.

Products include Simplefilelist Simple File List.

How do I fix CVE-2020-36847?

No fix has been published for CVE-2020-36847 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-36847 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36847 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

Sources

Also known as CVE-2025-34085, GHSA-34hm-qhxq-8vfv.

Is CVE-2020-36847 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free