CVE-2025-66204 WBCE CMS allows brute-force protection bypass using X-Forwarded-For header
Attackers can bypass brute-force protection in WBCE CMS by spoofing the X-Forwarded-For header, enabling unlimited password guessing attempts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66204?
CVE-2025-66204 is a medium-severity vulnerability in WBCE_CMS, published on 8 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2025-66204?
It affects 1 product.
Products include Wbce Wbce Cms.
How do I fix CVE-2025-66204?
No fix has been published for CVE-2025-66204 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66204 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66204 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in WBCE_CMS
- CVE-2023-39796 SQL injection in n/a
- CVE-2022-46020 File upload in n/a
- CVE-2021-3817 SQL Injection in wbce/wbce_cms
- CVE-2025-65950 WBCE CMS is Vulnerable to Time-Based Blind SQL Injection through groups[] Parameter
- CVE-2025-67504 WBCE CMS has Weak Random Number Generator in Password Generation Function
Sources
Also known as GHSA-f676-f375-m7mw.