CVE-2026-92144

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'postdata-1[post-custom]' Parameter in all versions up to, and including, 1.57.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The required form submission nonce is freely obtainable by unauthenticated users via the publicly accessible wp_ajax_nopriv_forminator_get_nonce endpoint, making the full attack chain exploitable without any authentication or prior account.

• CWE-79

• https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/abstracts/abstract-class-front-action.php#L127
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/abstracts/abstract-class-front-action.php#L973
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/class-core.php#L690
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/class-core.php#L756
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/fields/postdata.php#L1012
• https://plugins.trac.wordpress.org/browser/forminator/tags/1.57.2/library/modules/custom-forms/front/front-action.php#L3528
• https://plugins.trac.wordpress.org/changeset/3700690/forminator/trunk/library/abstracts/abstract-class-front-action.php
• https://plugins.trac.wordpress.org/changeset?reponame=&new=3700709%40forminator%2Ftags%2F1.57.2.1&old=3668424%40forminator%2Ftags%2F1.57.2
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f6f320d2-fd24-47b5-804d-31e3afdc31ba?source=cve

Published

Oct 1, 2026

Last Modified

Oct 1, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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