CVE-2025-66204CWE-307CWE-693

CVE-2025-66204

High · published December 9, 2025

CVSS v3.1
8.1
EPSS
0%
Percentile
40.2
In the wild
Unconfirmed
What it is

⚠️ A sneaky flaw in WBCE CMS lets attackers keep guessing passwords indefinitely! By altering the `X-Forwarded-For` header, they can bypass brute-force protections without breaking a sweat. 🔥 Think of it like a club with a strict guest list and a bouncer who only checks IDs without verifying where they're from. If a party crasher keeps changing their name on the guest list, they can slip in again and again! This means an attacker could attempt countless password guesses without any lockout, effectively throwing a wrench in the security of your site. If someone decided to relentlessly try passwords, they could finally gain access to sensitive content or user accounts. Yikes!

Put simply

Think of it like a club with a strict guest list and a bouncer who only checks IDs without verifying where they're from. If a party crasher keeps changing their name on the guest list, they can slip in again and again! This vulnerability in WBCE CMS allows attackers to bypass brute-force protections by modifying the `X-Forwarded-For` header, which the application trusts without any validation. This leads to unlimited password guessing attempts, compromising account security.

What to do

This means an attacker could attempt countless password guesses without any lockout, effectively throwing a wrench in the security of your site. If someone decided to relentlessly try passwords, they could finally gain access to sensitive content or user accounts. Yikes! Immediately update your WBCE CMS to version 1.6.5 to patch this vulnerability. Additionally, consider implementing stricter validation for the `X-Forwarded-For` header to ensure its integrity. It's a good practice to monitor account login attempts closely! You’ve got this! With these steps, you’ll secure your CMS and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00477 · 40.2th percentile
Weaknesses
CWE-307 · Improper Restriction of Excessive Authentication Attempts; CWE-693 · Protection Mechanism Failure
Published
2025-12-09T05:15Z
Affected products (1)
ProductVersionsFixed in
wbce/wbce_cms< 1.6.51.6.5
References (4)
EPSS history
Timeline
  • 08 DEC 23:50Z
    WBCE CMS allows brute-force protection bypass using X-Forwarded-For header
    cvelistv5