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Medium · 6.9 CVE-2025-59116 EUVD-2025-197996GHSA-2ffw-h4mh-jjh5

User enumeration in Windu CMS

Published Nov 18, 2025 · Updated Dec 5, 2025 · Assigned by CERT-PL

Description

Windu CMS is vulnerable to User Enumeration. This issue occurs during logon, where a difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins.

Only version 4.1 was tested and confirmed as vulnerable.
This issue was fixed in version 4.1 build 2250.

Affected products

VendorProductAffectedFixed
JCD Windu CMS ≤ 4.1 —

References