Out-of-bounds Read in Feehi Feehicms
CVE-2025-63523
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Feehi Feehicms — versions 2.1.1
Weakness classification (CWE)
References
- github.com/liufee/cms/issues/77 (Exploit, Issue Tracking, Vendor Advisory)
- github.com/kiwi865/CVEs/blob/main/CVE-2025-63523.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-63523?
- CVE-2025-63523 is a medium-severity vulnerability in Feehi Feehicms, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2025-12-01.
- How severe is CVE-2025-63523?
- Medium severity. CVSS v3 base score is 6.5 out of 10.