CVE-2022-4395

Membership For WooCommerce < 2.1.7 - Unauthenticated Arbitrary File Upload

Critical · published January 30, 2023

CVSS v3.1
9.8
EPSS
18%
Percentile
97.1
In the wild
Unconfirmed
What it is

🚨 Unvalidated file uploads are the culprit here! The Membership for WooCommerce plugin allows unauthenticated users to upload anything, including malicious PHP files that can lead to remote code execution. 🔥 Think of it like a restaurant where anyone can drop off any dish without an inspection — you could end up with something truly toxic on the menu! If a malicious user sends in a harmful file, your whole server could serve up trouble instead of tasty treats. This flaw is nothing short of catastrophic! An attacker could exploit this vulnerability to execute arbitrary PHP code on your server, gaining complete control over it. This could lead to data theft, site defacement, or worse — a full compromise of your entire system!

Put simply

Think of it like a restaurant where anyone can drop off any dish without an inspection — you could end up with something truly toxic on the menu! If a malicious user sends in a harmful file, your whole server could serve up trouble instead of tasty treats. The Membership for WooCommerce plugin prior to version 2.1.7 lacks proper validation for uploaded files, allowing unauthenticated users to upload arbitrary code that can be executed on the server.

What to do

This flaw is nothing short of catastrophic! An attacker could exploit this vulnerability to execute arbitrary PHP code on your server, gaining complete control over it. This could lead to data theft, site defacement, or worse — a full compromise of your entire system! Update the Membership for WooCommerce plugin to version 2.1.7 or later immediately. Review your upload settings and consider implementing additional security measures to validate uploaded files. Regularly audit your plugins to ensure they are up-to-date and secure. You can tackle this vulnerability like a pro! Stay vigilant, follow the steps, and keep your site safe. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.17569 · 97.1th percentile
Published
2023-01-30T20:31Z
EPSS history
Timeline
  • 30 JAN 20:31Z
    Membership For WooCommerce < 2.1.7 - Unauthenticated Arbitrary File Upload
    cvelistv5