CVE-2026-96563

The Motors – Car Dealership & Classified Listings Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'stm_f_s' parameter in all versions up to, and including, 1.4.124 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The nonce required by the stm_ajax_add_a_car AJAX handler is emitted in wp_footer on every page, making it accessible to any authenticated user and removing any practical barrier to exploitation at the Subscriber level.

• CWE-79

• https://plugins.trac.wordpress.org/browser/motors-car-dealership-classified-listings/tags/1.4.123/assets/js/frontend/filter.js#L724
• https://plugins.trac.wordpress.org/browser/motors-car-dealership-classified-listings/tags/1.4.123/assets/js/frontend/filter.js#L751
• https://plugins.trac.wordpress.org/browser/motors-car-dealership-classified-listings/tags/1.4.123/assets/js/frontend/init.js#L311
• https://plugins.trac.wordpress.org/browser/motors-car-dealership-classified-listings/tags/1.4.123/assets/js/frontend/init.js#L337
• https://plugins.trac.wordpress.org/browser/motors-car-dealership-classified-listings/tags/1.4.123/includes/vehicle_functions.php#L1199
• https://plugins.trac.wordpress.org/browser/motors-car-dealership-classified-listings/tags/1.4.123/includes/vehicle_functions.php#L1432
• https://plugins.trac.wordpress.org/changeset/3728105/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/14bb850e-df8a-46f0-b320-d8aedd763901?source=cve

Published

Oct 10, 2026

Last Modified

Oct 22, 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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