The ELEX WordPress HelpDesk & Customer Ticketing System plugin for WordPress is vulnerable to PHP Object Injection in all versions up to,…
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 ticketlabel 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 [wsdesksupport] 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 [wsdesksupport] shortcode to harvest the publicly emitted wsdesknonce value, after which a single unauthenticated POST completes the attack.
Proof-of-concept code is published
Public PoC
- Public PoCim0xfay/CVE-2026-119077
Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.
Assessment
- CVSS
- 9.8 (v3.1)
- Severity
- Critical
- EPSS
- 1.34% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Public PoC
- Published
- 13 November 2026
- Last updated
- 13 November 2026
- Assigner
- Wordfence
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
At the source
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f14b07ce-8893-4f8c-a501-5da6ec5a3b8f?source=cve
- 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/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-public-functions.php#L627
- 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/vendor/guzzlehttp/guzzle/src/Cookie/FileCookieJar.php#L45
- 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/changeset/3797458/elex-helpdesk-customer-support-ticket-system/trunk/includes/class-crm-public-functions.php
Community proofs of concept
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Query this programmatically
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curl https://cve.zerocrew.in/api/cve/CVE-2026-119077