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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. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 4.1 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

PUBLISHED Reserved 2025-09-09 | Published 2025-11-18 | Updated 2025-11-18 | Assigner CERT-PL




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unknown

4.1 (semver)
affected

Credits

Karol Czubernat finder

References

windu.org product

cert.pl/posts/2025/11/CVE-2025-59110 third-party-advisory

cve.org (CVE-2025-59115)

nvd.nist.gov (CVE-2025-59115)

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