CVE-2025-14469

The Theme Editor plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.1. This is due to missing nonce validation on the ms_update AJAX action. This makes it possible for unauthenticated attackers to modify child theme CSS styles via a forged request granted they can trick an administrator into performing an action such as clicking on a link.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://plugins.trac.wordpress.org/browser/theme-editor/trunk/includes/classes/ms_theme_editor_controller.php#L13
https://plugins.trac.wordpress.org/browser/theme-editor/trunk/includes/classes/ms_theme_editor_controller.php#L60
https://wordpress.org/plugins/theme-editor/#developers
https://www.wordfence.com/threat-intel/vulnerabilities/id/1dd4e39a-9b2f-4728-b026-2dee60257c46?source=cve

Configurations

No configuration.

History

29 Sep 2026, 14:10

Type	Values Removed	Values Added
Summary		(es) El plugin Theme Editor para WordPress es vulnerable a la falsificación de petición en sitios cruzados en todas las versiones hasta la 3.1, inclusive. Esto se debe a la falta de validación de nonce en la acción AJAX ms_update. Esto hace posible que atacantes no autenticados modifiquen los estilos CSS de temas hijo a través de una petición falsificada, siempre que puedan engañar a un administrador para que realice una acción como hacer clic en un enlace.

Information

Published : 2026-08-01 08:16

Updated : 2026-09-29 14:10

NVD link : CVE-2025-14469

Mitre link : CVE-2025-14469

CVE.ORG link : CVE-2025-14469

JSON object : View

Products Affected

No product.

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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