{"id":"CVE-2026-6293","aliases":["EUVD-2026-22842","GHSA-89r9-x6mh-w4fq"],"status":"published","title":"Inquiry form to posts or pages \u003c= 1.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting via 'inq_header' Parameter","description":"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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00219,"percentile":0.12515,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2026-04-15T06:46:18Z","modified":"2026-06-17T11:00:36Z","products":[{"vendor":"udamadu","product":"inquiry form to posts or pages"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/6abd3968-a8e7-4b40-bb7e-387bab10eba9?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/trunk/inq_form.php#L63"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inq_form.php#L63"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/trunk/inq_form.php#L60"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inq_form.php#L60"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/trunk/inq_form.php#L180"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inq_form.php#L180"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/trunk/inquery_form_to_posts_or_pages.php#L139"},{"url":"https://plugins.trac.wordpress.org/browser/inquiry-form-to-posts-or-pages/tags/1.0/inquery_form_to_posts_or_pages.php#L139"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6293"},{"url":"https://github.com/advisories/GHSA-89r9-x6mh-w4fq"}],"sources":{"cve":[{"id":"CVE-2026-6293","title":"Inquiry form to posts or pages \u003c= 1.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting via 'inq_header' Parameter","description":"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.","status":"published","published":"2026-04-15T06:46:18.89Z","modified":"2026-04-16T13:38:48.144Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T13:49:53.818886Z"}],"euvd":[{"id":"EUVD-2026-22842","description":"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 `$_POST['inq_hidden'] == 'Y'` with no call to `check_admin_referer()` and no WordPress nonce anywhere in the form or handler. This makes it possible for unauthenticated attackers to inject arbitrary web scripts via a forged request that tricks a logged-in Administrator into visiting a malicious page.","status":"published","published":"2026-04-15T06:46:18Z","modified":"2026-04-16T13:38:48Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:24.386229Z"}],"ghsa":[{"id":"GHSA-89r9-x6mh-w4fq","title":"The Inquiry Form to Posts or Pages plugin for WordPress is vulnerable to Cross-Site Request...","description":"The Inquiry Form to Posts or Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery leading to Stored Cross-Site Scripting in version 1.0. This is due to missing nonce validation on the plugin settings update handler, combined with insufficient input sanitization on all user-supplied fields and missing output escaping when rendering stored values. The settings handler fires solely on the presence of `$_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.","status":"published","published":"2026-04-22T21:31:44Z","modified":"2026-04-22T21:31:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:07:35.737909Z"}],"nvd":[{"id":"CVE-2026-6293","description":"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.","status":"published","published":"2026-04-15T07:16:12.34Z","modified":"2026-06-17T11:00:36.18Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:12:14.748836Z"}]}}