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4.3

CVE-2025-14391: Simple Theme Changer plugin for WordPress can be tricked into changing settings

CVE-2025-14391 · published 10 months ago
Summary

Attackers can trick site administrators into changing the plugin's settings without permission. This can happen if an administrator clicks on a link sent by the attacker. To stay safe, update the plugin to the latest version or remove it if it's no longer needed.

Original advisory text
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 ...
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.
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.3 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-352Cross-Site Request Forgery (CSRF)
Timeline
Published12 Dec 2025
Updated26 Oct 2026
First seen7 Mar 2026
Sources
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