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CVE-2026-94539— SupportCandy <= 3.5.3 - Authenticated (Custom+) SQL Injection via 'sort_by' Parameter

Quick assessment

Affected
psmplugins SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent
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 插件 SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent 在所有不超过 3.5.3 的版本中存在基于时间的 SQL 注入漏洞，原因是用户提供的 参数缺乏充分的转义处理，且对现有 SQL 查询缺乏足够的预处理。这使得具备认证权限的攻击者能够注入额外的 SQL 查询语句，从而从数据库中窃取敏感信息。成功利用该漏洞需要攻击者同时满足以下条件：持有 WordPress 订阅者（Subscriber）或更高权限的角色，

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing
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I. Basic Information for CVE-2026-94539

Vulnerability Information
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Vulnerability Title
SupportCandy <= 3.5.3 - Authenticated (Custom+) SQL Injection via 'sort_by' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent plugin for WordPress is vulnerable to time-based SQL Injection via the 'sort_by' parameter in all versions up to, and including, 3.5.3 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with custom-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. Exploitation requires the authenticated attacker to hold both a Subscriber-level (or higher) WordPress role and a SupportCandy Agent account with the 'Assign Agents' permission configured.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
psmplugins SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent 0 ~ 3.5.3 -

II. Public POCs for CVE-2026-94539

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III. Intelligence Information for CVE-2026-94539

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Other References for CVE-2026-94539 (7)

IV. Related Vulnerabilities

Same product: SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent
Same vendor: psmplugins
Same weakness: CWE-89

V. Comments for CVE-2026-94539

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