CVE-2020-36847criticalobserved exploitationCWE-434

CVE-2020-36847: critical vulnerability in eemitch Simple File List

Simple File List < 4.2.3 - Remote Code Execution

Published · Updated

97Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 9.8epss 45%
from disclosure to weapon10 days
Published on NVDJul 12
1st PoC+10d
metasploitApr 27
VulnCheck+346d
exploitation probability
45%top 1% of all CVEs
observed exploitation
yesVulnCheck
5 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
eemitch · Simple File List
public PoCs found — 5
exploitdbwww.exploit-db.com/exploits/52371unverifiedgithubgithub.com/ftz7/PoC-CVE-2020-36847-WordPress-Plugin-4.2.2-RCE★ 1cve_referencepacketstormsecurity.com/files/160221/unverifiedvulncheckvulncheck.com/xdb/ec52bbb216f8unverifiedvulncheckvulncheck.com/xdb/ee72a50e36eeunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — eemitch Simple File List

In the same product, most dangerous first.

CVE-2022-1119HIGHSimple File List <= 3.2.7 - Arbitrary File DownloadEPSS 20.0%CVE-2026-11911HIGHSimple File List <= 6.3.7 - Unauthenticated Arbitrary File Deletion via Path Traversal in 'eeSubFolder' ParameterEPSS 1.2%CVE-2026-11912HIGHSimple File List <= 6.3.7 - Missing Authorization to Unauthenticated File Modification via simplefilelist_edit_job AJAX ActionEPSS 0.5%CVE-2026-12119MEDIUMSimple File List <= 6.3.7 - Missing Authorization to Authenticated (Contributor+) Arbitrary File Operations (Deletion / Move / Folder Creation / Download) via 'frontmanage' Shortcode AttributeEPSS 0.5%
References
https://packetstormsecurity.com/files/160221/https://plugins.trac.wordpress.org/changeset/2286920/simple-file-listhttps://wpscan.com/vulnerability/365da9c5-a8d0-45f6-863c-1b1926ffd574/https://www.cybersecurity-help.cz/vdb/SB2020042711https://www.wordfence.com/threat-intel/vulnerabilities/id/9eb835fd-6ebf-4162-856c-0366b663a07e?source=cve