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CVE-2026-0683— SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Authenticated (Subscriber+) SQL Injection via Number Field Filter

Quick assessment

Affected
psmplugins SupportCandy – Helpdesk & Customer Support Ticket System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin SupportCandy – Helpdesk & Customer Support Ticket System 3.4.4及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的操作数值转义不足且SQL查询准备不充分，

CVSS 6.5 · Medium EPSS 0.39% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-0683

Vulnerability Information
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Vulnerability Title
SupportCandy – Helpdesk & Customer Support Ticket System <= 3.4.4 - Authenticated (Subscriber+) SQL Injection via Number Field Filter
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin SupportCandy – Helpdesk & Customer Support Ticket System SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin SupportCandy – Helpdesk & Customer Support Ticket System 3.4.4及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的操作数值转义不足且SQL查询准备不充分，
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
psmplugins SupportCandy – Helpdesk & Customer Support Ticket System * ~ 3.4.4 -

II. Public POCs for CVE-2026-0683

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III. Intelligence Information for CVE-2026-0683

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Patches & Fixes for CVE-2026-0683 (4)

IV. Related Vulnerabilities

Same product: SupportCandy – Helpdesk & Customer Support Ticket System
Same vendor: psmplugins
Same weakness: CWE-89

V. Comments for CVE-2026-0683

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