SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.6 - Authenticated (Subscriber+) Insecure Direct Object Reference

4.3
Authorization Bypass Through User-Controlled Key
CVE CVE-2026-54826
CVSS 4.3 (Medium)
Publicly Published June 17, 2026
Last Updated June 25, 2026
Researcher HieuPenguinnn - Posts and Telecommunications Institute of Technology (PTIT)

Description

The SupportCandy – Helpdesk & Customer Support Ticket System plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.4.6 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

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Vulnerability Details for SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent

Software Type Plugin
Software Slug supportcandy (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.4.7, or a newer patched version
Affected Version
  • <= 3.4.6
Patched Version
  • 3.4.7

Recent vulnerabilities in SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent

# Title CVE ID CVSS Researchers Date
1 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Authenticated (Subscriber+) SQL Injection via Number Field Filter CVE-2026-0683 6.5 Supakiad S. (m3ez) January 30, 2026
2 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Missing Authorization CVE-2026-25321 5.3 Nabil Irawan January 29, 2026
3 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Authenticated (Subscriber+) Insecure Direct Object Reference CVE-2026-1251 5.4 Theklis January 23, 2026
4 SupportCandy <= 3.4.1 - Cross-Site Request Forgery CVE-2025-67598 4.3 daroo November 21, 2025
5 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.3.7 - Authentication Bypass to Support Session Takeover CVE-2025-10658 6.5 Jonas Benjamin Friedli September 19, 2025
6 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.3.0 - Insecure Direct Object Reference CVE-2024-13552 4.3 Tim Coen March 6, 2025
7 SupportCandy <= 3.2.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2024-27991 6.4 Mochamad Sofyan March 15, 2024
8 SupportCandy <= 3.1.6 - Authenticated (Admin+) SQL Injection CVE-2023-2805 7.2 dc11 May 22, 2023
9 SupportCandy <= 3.1.6 - Authenticated (Subscriber+) SQL Injection CVE-2023-2719 8.8 dc11 May 22, 2023
10 SupportCandy <= 3.1.4 - Unauthenticated SQL Injection via parse_user_filters CVE-2023-1730 9.8 dc11 April 10, 2023

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