CVE-2023-34007CWE-434

WordPress Download Monitor Plugin <= 4.8.3 is vulnerable to Arbitrary File Upload

Critical · published December 20, 2023

CVSS v3.1
9.9
EPSS
1%
Percentile
59.5
In the wild
Unconfirmed
What it is

🚨 An unrestricted file upload vulnerability in WPChill Download Monitor means attackers could send malicious files with ease – it's like letting a pizza delivery guy into your kitchen without checking the order! 🔥 This vulnerability is akin to a restaurant allowing any delivery person to drop off any food without verifying the order. Just like a chef wouldn't want unwanted ingredients thrown into their kitchen, websites shouldn't accept any file type without a thorough check. If exploited, an attacker could upload dangerous files such as scripts or executables, leading to complete server compromise. This could result in unauthorized access to sensitive data, defacement of the website, or even the installation of malware. The consequences could be absolutely devastating for your site's integrity and availability.

Put simply

This vulnerability is akin to a restaurant allowing any delivery person to drop off any food without verifying the order. Just like a chef wouldn't want unwanted ingredients thrown into their kitchen, websites shouldn't accept any file type without a thorough check. This vulnerability in Download Monitor versions from n/a through 4.8.3 allows for unrestricted file uploads, meaning there are no checks on the type of files users can upload. This flaw can be exploited to execute harmful scripts on the server.

What to do

If exploited, an attacker could upload dangerous files such as scripts or executables, leading to complete server compromise. This could result in unauthorized access to sensitive data, defacement of the website, or even the installation of malware. The consequences could be absolutely devastating for your site's integrity and availability. Immediately update Download Monitor to version 4.8.4 or later to mitigate this vulnerability. It's also essential to implement a file type whitelist and conduct regular security audits to ensure no harmful files are accepted in the future. You've got this! With these steps, you’ll secure your site and keep those malicious files at bay! 🛡️

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00906 · 59.5th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2023-12-20T18:49Z
EPSS history
Timeline
  • 20 DEC 18:49Z
    WordPress Download Monitor Plugin <= 4.8.3 is vulnerable to Arbitrary File Upload
    cvelistv5