FeehiCMS fails to enforce server-side immutability
Date: 2025-12
Affected: composer/feehi/feehicms
Attack vector: other
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2025-63523
CWE: CWE-125
CVSS: 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

FeehiCMS version 2.1.1 fails to enforce server-side immutability for parameters that are presented to clients as "read-only." An authenticated attacker can intercept and modify the parameter in transit and the backend accepts the changes. This can lead to unintended username changes.


Mitigations:

Architectural layers (MAESTRO):