CVE intelligence and bounded remediation

CVE-2025-59111 — Windu CMS is vulnerable to Broken Access Control in user editing functionality

Medium CVSS 6.9

Windu CMS is vulnerable to Broken Access Control in user editing functionality. Malicious attacker can send a GET request which allows privileged users to delete Super Admins which is not possible with GUI. Only version 4.1 was tested and confirmed as vulnerable. This issue was fixed in version 4.1 build 2250.

Severity
Medium
CVSS
6.9 (4.0)
Published
2025-11-18
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-863

Affected products

  • windu / windu_cms / 4.1

Matched remediation archetype

Authorization bypass, IDOR, and cross-tenant access

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Check exposure

  • Map object and action authorization checks across API, UI, batch, import/export, and background-job paths.
  • Identify tenant, ownership, role, and policy boundaries for affected resources and administrative operations.
  • Use synthetic fixtures to compare intended access matrices without accessing another user's real data.

Remediate safely

  • Enforce server-side authorization at each resource access and state transition using the authenticated principal and trusted tenant context.
  • Scope data queries by tenant and ownership; treat client-supplied identifiers, roles, and policy claims as untrusted.
  • Add deny-by-default policy tests for horizontal and vertical access across every affected transport.

Authoritative sources

Complete CVE record and remediation plan

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