CVE-2026-119077

The ELEX WordPress HelpDesk & Customer Ticketing System plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.3.9 via the 'form (specifically the attacker-controlled ticket_label field inside the url-encoded form string)' parameter parameter. This is due to missing server-side authentication and the absence of a class allowlist on deserialization, with the only guard being a nonce publicly emitted on any page carrying the [wsdesk_support] shortcode. This makes it possible for unauthenticated attackers to execute code on the server. A successful exploit requires a single anonymous GET to any public page carrying the [wsdesk_support] shortcode to harvest the publicly emitted wsdesk_nonce value, after which a single unauthenticated POST completes the attack.

• CWE-502

• https://plugins.trac.wordpress.org/browser/elex-helpdesk-customer-support-ticket-system/tags/3.3.8/includes/class-crm-ajax-functions-two.php#L156
• https://plugins.trac.wordpress.org/browser/elex-helpdesk-customer-support-ticket-system/tags/3.3.8/includes/class-crm-ajax-functions-two.php#L265
• https://plugins.trac.wordpress.org/browser/elex-helpdesk-customer-support-ticket-system/tags/3.3.8/includes/class-crm-ajax-functions.php#L946
• https://plugins.trac.wordpress.org/browser/elex-helpdesk-customer-support-ticket-system/tags/3.3.8/includes/class-crm-init-handler.php#L529
• https://plugins.trac.wordpress.org/browser/elex-helpdesk-customer-support-ticket-system/tags/3.3.8/includes/class-crm-public-functions.php#L627
• https://plugins.trac.wordpress.org/browser/elex-helpdesk-customer-support-ticket-system/tags/3.3.8/includes/class-crm-public-functions.php#L822
• https://plugins.trac.wordpress.org/browser/elex-helpdesk-customer-support-ticket-system/tags/3.3.8/vendor/guzzlehttp/guzzle/src/Cookie/FileCookieJar.php#L45
• https://plugins.trac.wordpress.org/changeset/3797458/elex-helpdesk-customer-support-ticket-system/trunk/includes/class-crm-public-functions.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f14b07ce-8893-4f8c-a501-5da6ec5a3b8f?source=cve

Published

Nov 13, 2026

Last Modified

Nov 13, 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.
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