CVE-2025-14469
Received Received - Intake

Cross-Site Request Forgery in WordPress Theme Editor Plugin

Publication date: 2026-08-01

Last updated on: 2026-08-01

Assigner: Wordfence

Description
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.

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Meta Information

Published
2026-08-01
Last Modified
2026-08-01
Generated
2026-08-01
AI Q&A
2026-08-01
EPSS Evaluated
N/A
NVD
CVE-2025-14469
EUVD
EUVD-2025-210579

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
wordfence theme_editor to 3.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-352 The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

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Executive Summary

This vulnerability is a Cross-Site Request Forgery (CSRF) issue in the Theme Editor plugin for WordPress. It affects versions up to 3.1 due to missing nonce validation on the ms_update AJAX action. Attackers can exploit this to modify child theme CSS styles by tricking an administrator into clicking a malicious link.

Detection Guidance

This vulnerability can be detected by checking if the Theme Editor plugin for WordPress is installed and active up to version 3.1. Review WordPress plugin files for the ms_update AJAX action without nonce validation.

Impact Analysis

An unauthenticated attacker could change the appearance of your WordPress site by altering CSS styles. This could lead to defacement or unintended visual changes. The attack requires an administrator to click a link, making phishing attempts a likely vector.

Compliance Impact

This vulnerability allows unauthenticated attackers to modify child theme CSS styles via forged requests, which could lead to unauthorized changes in a WordPress site's appearance or functionality. Such unauthorized modifications may impact compliance with standards like GDPR or HIPAA if they involve handling or displaying sensitive data improperly.

Mitigation Strategies

Immediately update the Theme Editor plugin to the latest version beyond 3.1. If an update is unavailable, consider disabling the plugin until a patch is released. Implement additional security measures like restricting admin access and monitoring for suspicious activity.

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