CVE-2020-36847

Name: CVE-2020-36847
Creator: NVD / NIST
Published: 2025-07-12T10:15:24.77+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 12.63%

Last modified Jun 17, 2026

CVE-2020-36847 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 12.63% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

12.63%

95.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Simplefilelist	Simple File List	< 4.2.3

References

https://packetstormsecurity.com/files/160221/Exploit
https://plugins.trac.wordpress.org/changeset/2286920/simple-file-listPatch
https://wpscan.com/vulnerability/365da9c5-a8d0-45f6-863c-1b1926ffd574/Exploit, Third Party Advisory
https://www.cybersecurity-help.cz/vdb/SB2020042711Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/9eb835fd-6ebf-4162-856c-0366b663a07e?source=cveThird Party Advisory
https://wpscan.com/vulnerability/365da9c5-a8d0-45f6-863c-1b1926ffd574/Exploit, Third Party Advisory

Timeline

Published: Jul 12, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-36847?

How severe is CVE-2020-36847?

CVE-2020-36847 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 12.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36847?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36847?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST