Simple File List < 4.2.3 - Remote Code Execution

9.8
Unrestricted Upload of File with Dangerous Type
CVE CVE-2020-36847
CVSS 9.8 (Critical)
Publicly Published November 2, 2020
Last Updated July 12, 2025
Researcher coiffeur

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.

Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.

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Vulnerability Details for Simple File List

Software Type Plugin
Software Slug simple-file-list (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.2.3, or a newer patched version
Affected Version
  • < 4.2.3
Patched Version
  • 4.2.3

Recent vulnerabilities in Simple File List

# Title CVE ID CVSS Researchers Date
1 Simple File List <= 6.3.7 - Missing Authorization to Authenticated (Contributor+) Arbitrary File Operations (Deletion / Move / Folder Creation / Download) via 'frontmanage' Shortcode Attribute CVE-2026-12119 6.5 Chloe Chamberland, PRISM June 19, 2026
2 Simple File List <= 6.3.7 - Unauthenticated Arbitrary File Deletion via Path Traversal in 'eeSubFolder' Parameter CVE-2026-11911 7.5 Chloe Chamberland, PRISM June 19, 2026
3 Simple File List <= 6.3.7 - Missing Authorization to Unauthenticated File Modification via simplefilelist_edit_job AJAX Action CVE-2026-11912 7.5 Chloe Chamberland, PRISM June 19, 2026
4 Simple File List <= 6.1.15 - Authenticated (Subscriber+) Arbitrary File Download CVE-2026-24953 6.5 daroo February 9, 2026
5 Simple File List <= 6.3.7 - Missing Authorization CVE-2025-68591 4.3 daroo December 25, 2025
6 Simple File List <= 6.1.14 - Unauthenticated Arbitrary File Download CVE-2025-54021 5.3 Phat RiO July 28, 2025
7 Simple File List <= 6.1.13 - Missing Authorization to Unauthenticated Minor Settings Update CVE-2025-47450 5.3 Kévin Mosbahi (Mika) May 7, 2025
8 Simple File List <= 6.1.9 - Authenticated (Administrator+) Stored Cross-Site Scripting via settings CVE-2023-39924 4.4 Song Hyun Bae October 12, 2023
9 Simple File List <= 6.1.9 - Unauthenticated Arbitrary File Deletion CVE-2023-44227 9.1 Rafshanzani Suhada September 28, 2023
10 Simple File List <= 6.0.9 - Authenticated (Administrator+) Stored Cross-Site Scripting CVE-2023-1025 4.4 Shreya Pohekar February 28, 2023

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