Unrestricted File Upload in WordPress Simple File List Plugin
CVE-2025-34085

10CRITICAL

Key Information:

Vendor

WordPress
Status
Simple File List WordPress Plugin
Vendor
CVE Published:
9 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-34085?

A vulnerability exists in the WordPress Simple File List plugin which allows unauthenticated attackers to upload malicious files due to improper validation mechanisms. Specifically, the plugin mistakenly permits the upload of PHP code masquerading as image files. An attacker can exploit the upload functionality to execute arbitrary code by renaming a uploaded file's extension. This flaw could potentially compromise the security of the server hosting the WordPress site.

Affected Version(s)

Simple File List WordPress Plugin * < 4.2.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-34085 - Proof of Concept

CVE-2025-34085 - Proof of Concept

References

https://raw.githubusercontent.com/rapid7/metasploit-frame...
exploit
https://plugins.trac.wordpress.org/changeset/2286920/simp...
patch
https://www.wordfence.com/threat-intel/vulnerabilities/wo...
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

coiffeur
.
CVE-2025-34085 : Unrestricted File Upload in WordPress Simple File List Plugin