CVE-2023-23656CWE-434

WordPress MainWP File Uploader Extension Plugin <= 4.1 - Unauthenticated Arbitrary File Upload Vulnerability

Critical · published March 26, 2024

CVSS v3.1
10.0
EPSS
1%
Percentile
56.4
In the wild
Unconfirmed
What it is

🚨 An unrestricted file upload vulnerability in the MainWP File Uploader Extension could let an attacker drop dangerous files onto your server — think of it as a delivery driver who can unload anything without checking the contents! 🔥 Imagine a restaurant that lets anyone walk in and deposit any ingredient into the kitchen without a quality check. It’s a recipe for disaster, right? Well, this vulnerability is just as risky, allowing attackers to upload malicious files freely! If exploited, an attacker could upload a malicious script or executable, leading to full server control, data theft, or even turning your site into a launching pad for further attacks. The consequences could be absolutely devastating — think of a hacker throwing a party in your servers without you even knowing!

Put simply

Imagine a restaurant that lets anyone walk in and deposit any ingredient into the kitchen without a quality check. It’s a recipe for disaster, right? Well, this vulnerability is just as risky, allowing attackers to upload malicious files freely! This vulnerability arises from the lack of restrictions on the types of files that can be uploaded through the MainWP File Uploader Extension, affecting versions prior to 4.1. This allows attackers to upload harmful files that could be executed on the server.

What to do

If exploited, an attacker could upload a malicious script or executable, leading to full server control, data theft, or even turning your site into a launching pad for further attacks. The consequences could be absolutely devastating — think of a hacker throwing a party in your servers without you even knowing! Patch your MainWP File Uploader Extension to version 4.1 immediately to close this security gap. Additionally, consider implementing strict file validation and upload restrictions to enhance your security posture. Don't leave it to chance! You've got this! Follow these steps to fortify your defenses and keep those digital intruders at bay. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00809 · 56.4th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2024-03-26T19:51Z
EPSS history
Timeline
  • 26 MAR 19:51Z
    WordPress MainWP File Uploader Extension Plugin <= 4.1 - Unauthenticated Arbitrary File Upload Vulnerability
    cvelistv5