CVE-2026-13359

The Contact Form to DB by BestWebSoft – Messages Database Plugin For WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via cntctfrm_contact_dropdown Parameter in all versions up to, and including, 1.7.5 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 injected payload executes in the context of an administrator's browser session when they visit the plugin's message manager page at /wp-admin/admin.php?page=cntctfrmtdb_manager, making it possible to compromise administrator-level sessions via a simple unauthenticated contact form submission.

• CWE-79

• https://plugins.trac.wordpress.org/browser/contact-form-to-db/tags/1.7.4/contact_form_to_db.php#L2035
• https://plugins.trac.wordpress.org/browser/contact-form-to-db/tags/1.7.4/contact_form_to_db.php#L582
• https://plugins.trac.wordpress.org/changeset/3624996/contact-form-to-db
• https://www.wordfence.com/threat-intel/vulnerabilities/id/838dd2f9-22e3-4833-9f55-09bd729fd6ed?source=cve

Published

Sep 9, 2026

Last Modified

Sep 9, 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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