Stored Cross-Site Scripting in SupportCandy Plugin for WordPress
CVE-2026-94378

6.4MEDIUM

What is CVE-2026-94378?

The SupportCandy plugin for WordPress suffers from a Stored Cross-Site Scripting vulnerability due to inadequate input validation and output encoding within the 'name' parameter. This flaw allows authenticated attackers with subscriber-level access to inject malicious scripts into pages viewed by users, which could lead to significant security breaches. Notably, this vulnerability is triggered when the 'Register user if not exists' feature is disabled, which is the default configuration. It's crucial for users of this plugin to apply necessary security practices and updates to mitigate potential risks.

Affected Version(s)

SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent 0 <= 3.5.3

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Adrien Brunner
.