CVE-2018-16226: Mitel MiVoice Office 400

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability in the web admin component of Mitel MiVoice Office 400, versions R5.0 HF3 (v8839a1) and earlier, could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack, due to insufficient validation for the start.asp page. A successful exploit could allow the attacker to execute arbitrary scripts to access sensitive browser-based information.

Affected products

• Mitel MiVoice Office 400: version r5.0 only

Published 2018-10-23. Last modified 2026-06-17.