---
id: CVE-2025-14391
title: >-
  The Simple Theme Changer plugin for WordPress is vulnerable to Cross-Site
  Request Forgery in versions up to, and including, 1.0
summary: >-
  The Simple Theme Changer plugin for WordPress is vulnerable to Cross-Site
  Request Forgery in versions up to, and including, 1.0. This is due to missing
  or incorrect nonce validation. This makes it possible for unauthenticated
  attackers 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: '2025-12-12'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14391'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/simple-theme-changer/tags/1.0/class_theme_changer.php#L262
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/efa9b44d-8b6c-4a11-82af-cecc2c202024?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00124
epssPercentile: 0.019
ingestedAt: '2026-10-07T20:46:46.888Z'
---

## Overview

The Simple Theme Changer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.0. This is due to missing or incorrect nonce validation. This makes it possible for unauthenticated attackers to update the plugin's settings 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.