CVE-2025-66204: Wbce CMS

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

WBCE CMS is a content management system. Version 1.6.4 contains a brute-force protection bypass where an attacker can indefinitely reset the counter by modifying `X-Forwarded-For` on each request, gaining unlimited password guessing attempts, effectively bypassing all brute-force protection. The application fully trusts the `X-Forwarded-For` header without validating it or restricting its usage. This issue is fixed in version 1.6.5.

Affected products

• Wbce Wbce CMS: before 1.6.5 (fixed in 1.6.5)

Published 2025-12-09. Last modified 2026-10-07.