CVE-2025-59117

Windu CMS is vulnerable to multiple Stored Cross-Site Scripting (XSS) vulnerabilities in the page editing endpoint windu/admin/content/pages/edit/. This vulnerability can be exploited by a privileged user and may target users with higher privileges. Only version 4.1 was tested and confirmed as vulnerable. This issue was fixed in version 4.1 build 2250.

CVSS 4.0

4.8CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

4.8CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2025-11-18

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• windu:windu_cms

References

• https://cert.pl/posts/2025/11/CVE-2025-59110
• https://windu.org

Check your stackJSON