---
id: CVE-2025-9889
title: >-
  The ContentMX Content Publisher plugin for WordPress is vulnerable to
  Cross-Site Request Forgery in all versions up to, and including, 1.0.6
summary: >-
  The ContentMX Content Publisher plugin for WordPress is vulnerable to
  Cross-Site Request Forgery in all versions up to, and including, 1.0.6. This
  is due to missing or incorrect nonce validation on the cmx_activate_connection
  function. T…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-352
published: '2025-10-03'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T22:10:00.563'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9889'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/contentmx-content-publisher/tags/1.0.6/inc/admin.php#L7
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/contentmx-content-publisher/tags/1.0.7/inc/admin.php#L7
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/a5dd354f-080f-4be9-837e-eed48037f140?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00172
epssPercentile: 0.05975
ingestedAt: '2026-10-08T22:11:53.772Z'
---

## Overview

The ContentMX Content Publisher plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.6. This is due to missing or incorrect nonce validation on the cmx_activate_connection function. This makes it possible for unauthenticated attackers to bind their own ContentMX connection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.