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Medium 5.3Published Nov 18, 2025

CVE-2025-59115Stored XSS in Windu CMS

Updated under an hour ago ()

Does this affect you?

It affects JCD Windu CMS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
CERT-PL
NVD analysis
Modified
Record last updated
Dec 5, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
JCD Windu CMS
jcd:windu_cms (from the name)
through 4.1; fixed at build 2250
CNA record
windu windu_cms
windu:windu_cms
4.1
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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CVE-2025-59115: Stored XSS in Windu CMS | InfoSec Signals