CVE-2023-33318CWE-434

WordPress WooCommerce Follow-Up Emails Plugin <= 4.9.40 is vulnerable to Arbitrary File Upload

Critical · published December 20, 2023

CVSS v3.1
9.9
EPSS
1%
Percentile
56.6
In the wild
Unconfirmed
What it is

🚨 An unrestricted file upload vulnerability means attackers can upload malicious files to your WooCommerce site. 🔥 Think of it like a hotel allowing guests to check in without verifying their IDs. One rogue guest could bring in all kinds of trouble, potentially compromising everyone’s safety. An attacker could exploit this vulnerability to upload harmful files that can execute arbitrary code on your server. This could lead to full control of the site, data theft, or even installing backdoors for future attacks—seemingly harmless at first, but absolutely devastating once exploited!

Put simply

Think of it like a hotel allowing guests to check in without verifying their IDs. One rogue guest could bring in all kinds of trouble, potentially compromising everyone’s safety. This vulnerability allows unauthorized uploads of files with dangerous types, such as PHP scripts, due to insufficient checks in AutomateWoo versions from n/a through 4.9.40.

What to do

An attacker could exploit this vulnerability to upload harmful files that can execute arbitrary code on your server. This could lead to full control of the site, data theft, or even installing backdoors for future attacks—seemingly harmless at first, but absolutely devastating once exploited! Update AutomateWoo to the latest version immediately to ensure you close this vulnerability. Additionally, implement strict file type validation and restrict uploads to only necessary formats. Regularly audit your security settings to fortify your defenses! This is fixable! Follow these steps and you'll have your site secured in no time. 🛡️

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
0.00814 · 56.6th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2023-12-20T18:53Z
EPSS history
Timeline
  • 20 DEC 18:53Z
    WordPress WooCommerce Follow-Up Emails Plugin <= 4.9.40 is vulnerable to Arbitrary File Upload
    cvelistv5