CVE-2025-63523 FeehiCMS fails to enforce server-side immutability
An authenticated attacker can modify read-only parameters to change usernames, compromising data integrity in FeehiCMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-63523?
CVE-2025-63523 is a medium-severity vulnerability in n/a, published on 1 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2025-63523?
2 open source packages ship an affected version, including feehi/feehicms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
feehi/feehicms Packagist | All versions | None |
feehi/feehicms Packagist | All versions | None |
Products include Feehi Feehicms.
How do I fix CVE-2025-63523?
No fix has been published for CVE-2025-63523 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-63523 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63523 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qgc9-p7cj-jvh6.