Arbitrary file upload in Eemitch Simple File List
CVE-2020-36847
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.442 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.445 · newest: 0.442 · change: -0.003
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/9eb835fd-6ebf-4162-856c-0366b… (Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2286920/simple-file-list (Patch)
- packetstormsecurity.com/files/160221/ (Exploit)
- www.cybersecurity-help.cz/vdb/SB2020042711 (Third Party Advisory)
- wpscan.com/vulnerability/365da9c5-a8d0-45f6-863c-1b1926ffd574/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-36847?
- CVE-2020-36847 is a critical-severity vulnerability in Eemitch Simple File List, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-07-12.
- How severe is CVE-2020-36847?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-36847 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.