CVE-2026-6293
The Inquiry Form to Posts or Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery leading to Stored Cross-Site Scripting in version 1.0. This is due to missing nonce validation on the plugin settings update handler, combined with insufficient input sanitization on all user-supplied fields and missing output escaping when rendering stored values. The settings handler fires solely on the presence of `$_POST['inq_hidden'] == 'Y'` with no call to `check_admin_referer()` and no WordPress nonce anywhere in the form or handler. This makes it possible for unauthenticated attackers to inject arbitrary web scripts via a forged request that tricks a logged-in Administrator into visiting a malicious page.
Faiblesse
The Inquiry Form to Posts or Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery leading to Stored Cross-Site Scripting in version 1.0. This is due to missing nonce validation on the plugin settings update handler, combined with insufficient input sanitization on all user-supplied fields and missing output escaping when rendering stored values. The settings handler fires solely on the presence of `$_POST['inq_hidden'] == 'Y'` with no call to `check_admin_referer()` and no WordPress nonce anywhere in the form or handler. This makes it possible for unauthenticated attackers to inject arbitrary web scripts via a forged request that tricks a logged-in Administrator into visiting a malicious page.
Références
- https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inq_form.php#L180
- https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inq_form.php#L60
- https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inq_form.php#L63
- https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inquery_form_to_posts_or_pages.php#L139
- https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/trunk/inq_form.php#L180
- https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/trunk/inq_form.php#L60
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