CVE-2023-51475CWE-434

WordPress WP MLM Unilevel Plugin <= 4.0 is vulnerable to Arbitrary File Upload

Critical · published December 29, 2023

CVSS v3.1
10.0
EPSS
1%
Percentile
45.7
In the wild
Unconfirmed
What it is

🚨 An unrestricted file upload vulnerability in the IOSS WP MLM Software Plugin lets anyone drop malicious files right in your system's backyard! 🔥 Think of it like someone sneaking in the back door of a restaurant, delivering a mysterious package that nobody checks – it could contain anything from a gourmet meal to something utterly disastrous! If an attacker exploits this flaw, they could upload dangerous scripts or files that compromise your entire site. This could lead to data theft, website defacement, or worse—complete control over your server. The consequences could be absolutely devastating!

Put simply

Think of it like someone sneaking in the back door of a restaurant, delivering a mysterious package that nobody checks – it could contain anything from a gourmet meal to something utterly disastrous! This vulnerability allows an attacker to upload files of any type, bypassing restrictions that should prevent dangerous file types from being uploaded. The affected versions of the WP MLM Software Plugin range from n/a through 4.0, which means if you're using it, you're at risk!

What to do

If an attacker exploits this flaw, they could upload dangerous scripts or files that compromise your entire site. This could lead to data theft, website defacement, or worse—complete control over your server. The consequences could be absolutely devastating! To protect your site, immediately update the IOSS WP MLM Software Plugin to version 4.0.1 or later, which resolves this issue. Additionally, consider implementing file type validation and sanitization measures to further secure your file upload functionalities. You've got this! By taking these steps, you'll fortify your defenses and keep your site safe from threats! 🛡️

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
0.00557 · 45.7th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2023-12-29T13:09Z
EPSS history
Timeline
  • 29 DEC 13:09Z
    WordPress WP MLM Unilevel Plugin <= 4.0 is vulnerable to Arbitrary File Upload
    cvelistv5