CVE-2019-9591: Mitel Connect Onsite

Medium severity, CVSS 6.1. EPSS: 5.3% chance of exploitation in the next 30 days.

A reflected Cross-site scripting (XSS) vulnerability in ShoreTel Connect ONSITE before 19.49.1500.0 allows remote attackers to inject arbitrary web script or HTML via the brandUrl parameter.

Affected products

• Mitel Connect Onsite: before 19.49.1500.0 (fixed in 19.49.1500.0)

Published 2019-03-06. Last modified 2026-06-17.