SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Authenticated (Subscriber+) SQL Injection via Number Field Filter

6.5
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE CVE-2026-0683
CVSS 6.5 (Medium)
Publicly Published January 30, 2026
Last Updated January 31, 2026
Researcher Supakiad S. (m3ez) - E-CQURITY (Thailand)

Description

The SupportCandy – Helpdesk & Customer Support Ticket System plugin for WordPress is vulnerable to SQL Injection via the Number-type custom field filter in all versions up to, and including, 3.4.4. This is due to insufficient escaping on the user-supplied operand value when using the equals operator and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above (customers), to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Learn more about SQL Injection vulnerabilities and how to prevent them.

References

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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 3.4.5, or a newer patched version
Affected Version
  • <= 3.4.4
Patched Version
  • 3.4.5

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

# Title CVE ID CVSS Researchers Date
1 SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent <= 3.5.1 - Missing Authorization CVE-2026-73350 5.3 hackthesoul August 18, 2026
2 SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent <= 3.4.8 - Authenticated (Customer+) Stored Cross-Site Scripting CVE-2026-57711 6.4 Abduljalal Saminu July 10, 2026
3 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.6 - Authenticated (Subscriber+) Insecure Direct Object Reference CVE-2026-54826 4.3 HieuPenguinnn June 17, 2026
4 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Missing Authorization CVE-2026-25321 5.3 Nabil Irawan January 29, 2026
5 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Authenticated (Subscriber+) Insecure Direct Object Reference CVE-2026-1251 5.4 Theklis January 23, 2026
6 SupportCandy <= 3.4.1 - Cross-Site Request Forgery CVE-2025-67598 4.3 daroo November 21, 2025
7 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
8 SupportCandy – Helpdesk & Customer Support Ticket System <= 3.3.0 - Insecure Direct Object Reference CVE-2024-13552 4.3 Tim Coen March 6, 2025
9 SupportCandy <= 3.2.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2024-27991 6.4 Mochamad Sofyan March 15, 2024
10 SupportCandy <= 3.1.6 - Authenticated (Subscriber+) SQL Injection CVE-2023-2719 8.8 dc11 May 22, 2023

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