CVE-2025-51403: Livehelperchat Live Helper Chat

Medium severity, CVSS 6.5. EPSS: 1.5% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Alias Nick parameter.

Affected products

• Livehelperchat Live Helper Chat: up to and including 4.61

Published 2025-07-21. Last modified 2026-06-17.