CVE-2025-63523: FeehiCMS fails to enforce server-side immutability
CVE-2025-63523 · Severity: medium · CVSS 6.5 · Published 2025-12-01
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-63523 being exploited in the wild.
How severe is CVE-2025-63523?
Medium severity, with a CVSS score of 6.5, published 1 December 2025.
Which products and versions are affected?
Feehicms, feehi/feehicms (Packagist). The advisory does not name versions.
Is there a fix for CVE-2025-63523?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-63523?
Check whether you run Feehicms or feehi/feehicms (Packagist). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.