CVE-2022-50936CWE-434

WBCE CMS 1.5.2 - Remote Code Execution (RCE) (Authenticated)

High · published January 13, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
60.3
In the wild
Unconfirmed
What it is

⚡ Just a crafted ZIP file is all it takes to run arbitrary PHP code on WBCE CMS 1.5.2! 🎉 Think of it like a delivery driver bringing a suspicious package right into the office — if no one looks inside, that package could be filled with trouble. The admin panel here is like the front desk, and when trusted personnel upload without checks, it’s easy for those malicious droplets to slip through! Once attackers gain access, they can execute any PHP code they desire, potentially seizing control of the entire CMS. This means they could manipulate site content, steal sensitive data, or even set up a backdoor for future access — absolutely devastating for any organization that relies on this platform.

Put simply

Think of it like a delivery driver bringing a suspicious package right into the office — if no one looks inside, that package could be filled with trouble. The admin panel here is like the front desk, and when trusted personnel upload without checks, it’s easy for those malicious droplets to slip through! This vulnerability allows authenticated users to exploit the droplet upload feature in WBCE CMS, enabling them to upload a specially crafted ZIP file that executes arbitrary PHP code on the server.

What to do

Once attackers gain access, they can execute any PHP code they desire, potentially seizing control of the entire CMS. This means they could manipulate site content, steal sensitive data, or even set up a backdoor for future access — absolutely devastating for any organization that relies on this platform. To protect against this vulnerability, immediately update WBCE CMS to the latest version and ensure that file upload functionality has proper restrictions in place. Consider implementing additional security measures, such as verifying file contents and using a Web Application Firewall (WAF) for extra protection. You've got this! Follow these steps to secure your site and keep those malicious packages at bay! 🛡️

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00933 · 60.3th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-01-13T22:52Z
EPSS history
Timeline
  • 13 JAN 22:52Z
    WBCE CMS 1.5.2 - Remote Code Execution (RCE) (Authenticated)
    cvelistv5