CVE-2025-63523: Feehi/feehicms Remote Code Execution Vulnerability

MODERATE
Advisory Identifier: GHSA-qgc9-p7cj-jvh6
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CVSS 6.5
CWE-125
Published
Advisory Summary

CVE-2025-63523 is a MODERATE (CVSS 6.5) remote code execution vulnerability (CWE-125: Out-of-bounds Read) affecting Feehi/feehicms libraries in the Packagist ecosystem. The issue involves feehicms fails to enforce server-side immutability. Remediation is available in the latest vendor maintenance releases.

CVE-2025-63523 at a Glance

CVE Identifier CVE-2025-63523
GHSA Identifier GHSA-qgc9-p7cj-jvh6
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-125: Out-of-bounds Read
Affected Product Feehi/feehicms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2025-63523

To remediate this vulnerability, upgrade all affected Feehi/feehicms dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

feehi/feehicms fixed: Latest secure release 
Upgrade feehi/feehicms to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for feehi/feehicms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-63523, inspect your project dependencies for Feehi/feehicms:

inspect dependencies for feehi/feehicms

Analyze the terminal output to locate any version of Feehi/feehicms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-125: Out-of-bounds Read, where the product reads data past the end, or before the beginning, of the intended buffer. In Feehi/feehicms, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2025-63523 Affected Feehi/feehicms Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
feehi/feehicms
 Packagist
2.1.1
All 1 versions
2.1.1
None specified

References

NVD — CVE-2025-63523 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-63523
Feehi/feehicms Source Repository REPOSITORY
https://github.com/liufee/cms/issues/77
Feehi/feehicms Source Repository REPOSITORY
https://github.com/kiwi865/CVEs/blob/main/CVE-2025-63523.md
Feehi/feehicms Source Repository REPOSITORY
https://github.com/liufee/cms

Frequently Asked Questions

What is CVE-2025-63523?
CVE-2025-63523 is a security vulnerability in Feehi/feehicms involving FeehiCMS fails to enforce server-side immutability under CWE-125: Out-of-bounds Read.
Which Feehi/feehicms versions are affected?
Affected versions include releases prior to current release patches across affected packages: feehi/feehicms.
What version fixes CVE-2025-63523?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is feehi/feehicms affected?
Yes, feehi/feehicms is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2025-63523?
CVE-2025-63523 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
What CWE is associated with CVE-2025-63523?
CVE-2025-63523 is classified under CWE-125: Out-of-bounds Read (The product reads data past the end, or before the beginning, of the intended buffer.).
How can I check Packagist dependencies for CVE-2025-63523?
Run the dependency tree command: 'inspect dependencies for feehi/feehicms'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-qgc9-p7cj-jvh6",
  "modified" : "2025-12-02T17:37:23Z",
  "published" : "2025-12-01T15:30:18Z",
  "aliases" : [ "CVE-2025-63523" ],
  "summary" : "FeehiCMS fails to enforce server-side immutability",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "feehi/feehicms"
    },
    "versions" : [ "2.1.1" ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-63523"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/liufee/cms/issues/77"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/kiwi865/CVEs/blob/main/CVE-2025-63523.md"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/liufee/cms"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-125" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-12-02T17:37:23Z",
    "nvd_published_at" : "2025-12-01T15:15:50Z"
  }
}