CVE-2025-34506CWE-434unrestricted-file-upload

CVE-2025-34506

High · published December 12, 2025

CVSS v3.1
8.8
EPSS
1%
Percentile
59.6
In the wild
Unconfirmed
What it is

⚡ An authenticated remote code execution flaw in WBCE CMS could turn your admin panel into a hacker’s treasure chest! 🔥 Think of it like a hotel that allows guests to bring in their own decorations. If no one checks the contents of those boxes, an unwelcome guest could sneak in a party-crashing monster — the malicious ZIP module is that sneaky guest! An attacker could craft a malicious module that, once installed, grants them full control over your server. This means everything from stealing sensitive data to altering your website's content or even crashing the entire system — a total nightmare!

Put simply

Think of it like a hotel that allows guests to bring in their own decorations. If no one checks the contents of those boxes, an unwelcome guest could sneak in a party-crashing monster — the malicious ZIP module is that sneaky guest! This vulnerability allows administrators to upload specially crafted ZIP modules containing PHP reverse shell code, enabling attackers to gain remote access once the module is activated, typically requiring valid admin credentials.

What to do

An attacker could craft a malicious module that, once installed, grants them full control over your server. This means everything from stealing sensitive data to altering your website's content or even crashing the entire system — a total nightmare! Immediately update WBCE CMS to version 1.6.4 or later to patch this vulnerability. Additionally, review all uploaded modules for potential backdoors and ensure that you implement strict checks on module uploads. You've got this! With a swift patch and some vigilance, you can keep your site safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00909 · 59.6th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-12-12T03:15Z
Affected products (1)
ProductVersionsFixed in
wbce/wbce_cms≤ 1.6.3—
References (6)
EPSS history
Timeline
  • 11 DEC 21:44Z
    WBCE CMS 1.6.3 Authenticated Remote Code Execution via Module Upload
    cvelistv5