CVE-2025-9889
ContentMX Content Publisher <= 1.0.6 - Cross-Site Request Forgery
Description
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.
INFO
Published Date :
Oct. 3, 2025, 12:15 p.m.
Last Modified :
Oct. 8, 2026, 10:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the ContentMX Content Publisher plugin.
- Ensure nonce validation is correctly implemented.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-9889.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-9889 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-9889
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-9889 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-9889 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 08, 2026
Action Type Old Value New Value Added Translation Title: Content Publisher de contentmx, Description: El plugin ContentMX Content Publisher para WordPress es vulnerable a la falsificación de petición en sitios cruzados en todas las versiones hasta la 1.0.6, inclusive. Esto se debe a la validación de nonce faltante o incorrecta en la función cmx_activate_connection. Esto hace posible que atacantes no autenticados vinculen su propia conexión ContentMX a través de una petición falsificada, siempre que puedan engañar a un administrador del sitio para que realice una acción como hacer clic en un enlace. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'contentmx', 'product': 'ContentMX Content Publisher', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '1.0.6'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2025-9889', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2025-10-03T14:03:41.024777Z'} -
CVE Modified by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added Reference https://plugins.trac.wordpress.org/browser/contentmx-content-publisher/tags/1.0.7/inc/admin.php#L7 -
New CVE Received by [email protected]
Oct. 03, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Added CWE CWE-352 Added Reference https://plugins.trac.wordpress.org/browser/contentmx-content-publisher/tags/1.0.6/inc/admin.php#L7 Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/a5dd354f-080f-4be9-837e-eed48037f140?source=cve