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OpenAdvisories
Medium · 5.3 CVE-2025-59115 EUVD-2025-197997GHSA-9fmc-cmf8-76mj

Stored XSS in Windu CMS

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

Description

Windu CMS is vulnerable to Stored Cross-Site Scripting (XSS) in the logon page where input data has no proper validation. Malicious attacker can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting logs page by admin.

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