The Theme Editor plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.0. This is due to missing or incorrect nonce validation on the 'theme_editor_theme' page. This makes it possible for unauthenticated attackers to achieve remote code execution via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Theme Editor Plugin | — | Update theme-editor plugin to version 3.1, or a newer patched version | Oct 21, 2025 | Oct 17, 2025 |
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