The Minify HTML plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1.12. This is due to missing or incorrect nonce validation on the 'minify_html_menu_options' function. This makes it possible for unauthenticated attackers to update plugin settings 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 |
|---|---|---|---|---|
| Minify Html Markup Plugin | — | Update minify-html-markup plugin to version 2.1.13, or a newer patched version | May 4, 2026 | Mar 30, 2026 |
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