CVE-2025-51511: Cadmium org/cadmium cms Cadmium CMS Has A Background Vulnerability

HIGH
Advisory Identifier: GHSA-qx44-p258-3c2v
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CWE-434
Published
Advisory Summary

CVE-2025-51511 is a HIGH cadmium cms has a background vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Cadmium org/cadmium cms libraries in the Packagist ecosystem. The issue involves cadmium cms has a background arbitrary file upload vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2025-51511 at a Glance

CVE Identifier CVE-2025-51511
GHSA Identifier GHSA-qx44-p258-3c2v
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Cadmium org/cadmium cms
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2025-51511

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

cadmium-org/cadmium-cms fixed: Latest secure release 
Upgrade cadmium-org/cadmium-cms 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 cadmium-org/cadmium-cms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-51511, inspect your project dependencies for Cadmium org/cadmium cms:

inspect dependencies for cadmium-org/cadmium-cms

Analyze the terminal output to locate any version of Cadmium org/cadmium cms 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-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Cadmium org/cadmium cms, 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

Cadmium CMS v.0.4.9 has a background arbitrary file upload vulnerability in /admin/content/filemanager/uploads.

CVE-2025-51511 Affected Cadmium org/cadmium cms Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
cadmium-org/cadmium-cms
 Packagist
≤ 0.4.9

References

NVD — CVE-2025-51511 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-51511
Cadmium org/cadmium cms Source Repository REPOSITORY
https://github.com/cadmium-org/cadmium-cms/issues/23
Cadmium org/cadmium cms Source Repository REPOSITORY
https://github.com/cadmium-org/cadmium-cms

Frequently Asked Questions

What is CVE-2025-51511?
CVE-2025-51511 is a security vulnerability in Cadmium org/cadmium cms involving Cadmium CMS has a background arbitrary file upload vulnerability under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Cadmium org/cadmium cms versions are affected?
Affected versions include releases prior to current release patches across affected packages: cadmium-org/cadmium-cms.
What version fixes CVE-2025-51511?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is cadmium-org/cadmium-cms affected?
Yes, cadmium-org/cadmium-cms is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with CVE-2025-51511?
CVE-2025-51511 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check Packagist dependencies for CVE-2025-51511?
Run the dependency tree command: 'inspect dependencies for cadmium-org/cadmium-cms'. 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-qx44-p258-3c2v",
  "modified" : "2025-12-23T20:00:39Z",
  "published" : "2025-12-23T18:30:27Z",
  "aliases" : [ "CVE-2025-51511" ],
  "summary" : "Cadmium CMS has a background arbitrary file upload vulnerability",
  "details" : "Cadmium CMS v.0.4.9 has a background arbitrary file upload vulnerability in /admin/content/filemanager/uploads.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "cadmium-org/cadmium-cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.4.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-51511"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/cadmium-org/cadmium-cms/issues/23"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/cadmium-org/cadmium-cms"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-12-23T20:00:39Z",
    "nvd_published_at" : "2025-12-23T18:15:43Z"
  }
}