The HAPPY – Helpdesk Support Ticket System plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the 'submit_form_reply' AJAX action in all versions up to, and including, 1.0.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to submit replies to arbitrary support tickets by manipulating the 'happy_topic_id' parameter, regardless of whether they are the ticket owner or have been assigned to the ticket.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Happy Helpdesk Support Ticket System Plugin | — | Update happy-helpdesk-support-ticket-system plugin to version 1.0.10, or a newer patched version | Dec 15, 2025 | Dec 12, 2025 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub