CVE-2025-13828: Mautic/core Mautic User Without Privileged Access Vulnerability

CRITICAL
Advisory Identifier: GHSA-3fq7-c5m8-g86x
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CWE-284 CWE-862
Published
Advisory Summary

CVE-2025-13828 is a CRITICAL mautic user without privileged access vulnerability (CWE-284: Improper Access Control) affecting Mautic/core libraries in the Packagist ecosystem. The issue involves mautic user without privileged access to the marketplace can install and uninstall composer packages. Remediation is available by upgrading affected packages to version 4.4.18, 5.2.9, 6.0.7.

CVE-2025-13828 at a Glance

CVE Identifier CVE-2025-13828
GHSA Identifier GHSA-3fq7-c5m8-g86x
Severity CRITICAL
CVSS v3.1 Base Score N/A
CWE Classification CWE-284: Improper Access Control
Affected Product Mautic/core
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2025-13828

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

mautic/core fixed: 4.4.18 
Upgrade mautic/core to 4.4.18
mautic/core fixed: 5.2.9 
Upgrade mautic/core to 5.2.9
mautic/core fixed: 6.0.7 
Upgrade mautic/core to 6.0.7
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 mautic/core

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-13828, inspect your project dependencies for Mautic/core:

inspect dependencies for mautic/core

Analyze the terminal output to locate any version of Mautic/core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.4.18), 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-284: Improper Access Control, where the product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. In Mautic/core, 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

### Summary A non privileged user can install and remove arbitrary packages via composer for a composer based installed, even if the flag in update settings for enable composer based update is unticked. ### Impact A low-privileged user of the platform can install malicious code to obtain higher privileges.

CVE-2025-13828 Affected Mautic/core Versions

3 component(s)
Fixed Versions:
4.4.185.2.96.0.7
Product / Package Ecosystem Affected Versions Fixed Version
mautic/core
 Packagist
≥ 4.0.0
< 4.4.18
4.4.18
mautic/core
 Packagist
≥ 5.0.0
< 5.2.9
5.2.9
mautic/core
 Packagist
≥ 6.0.0
< 6.0.7
6.0.7

References

GitHub Advisory / Wiki ADVISORY
https://github.com/mautic/mautic/security/advisories/GHSA-3fq7-c5m8-g86x
NVD — CVE-2025-13828 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13828
Mautic/core Source Repository REPOSITORY
https://github.com/mautic/mautic

Frequently Asked Questions

What is CVE-2025-13828?
CVE-2025-13828 is a security vulnerability in Mautic/core involving Mautic user without privileged access to the Marketplace can install and uninstall composer packages under CWE-284: Improper Access Control.
Which Mautic/core versions are affected?
Affected versions include releases prior to 4.4.18, 5.2.9, 6.0.7 across affected packages: mautic/core.
What version fixes CVE-2025-13828?
Upgrading to 4.4.18, 5.2.9, 6.0.7 (or the latest patched release for your respective branch) resolves the vulnerability.
Is mautic/core affected?
Yes, mautic/core is affected in releases prior to 4.4.18, 5.2.9, 6.0.7. Upgrade your dependency to 4.4.18, 5.2.9, 6.0.7 or later.
What CWE is associated with CVE-2025-13828?
CVE-2025-13828 is classified under CWE-284: Improper Access Control (The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.).
How can I check Packagist dependencies for CVE-2025-13828?
Run the dependency tree command: 'inspect dependencies for mautic/core'. 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-3fq7-c5m8-g86x",
  "modified" : "2025-12-02T21:10:39Z",
  "published" : "2025-12-02T21:10:39Z",
  "aliases" : [ "CVE-2025-13828" ],
  "summary" : "Mautic user without privileged access to the Marketplace can install and uninstall composer packages",
  "details" : "### Summary\n\nA non privileged user can install and remove arbitrary packages via composer for a composer based installed, even if the flag in update settings for enable composer based update is unticked.\n\n### Impact\n\nA low-privileged user of the platform can install malicious code to obtain higher privileges.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "mautic/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0.0"
      }, {
        "fixed" : "4.4.18"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "mautic/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.0.0"
      }, {
        "fixed" : "5.2.9"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "mautic/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.0.0"
      }, {
        "fixed" : "6.0.7"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/mautic/mautic/security/advisories/GHSA-3fq7-c5m8-g86x"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-13828"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mautic/mautic"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-284", "CWE-862" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-12-02T21:10:39Z",
    "nvd_published_at" : "2025-12-02T17:16:04Z"
  }
}