CVE-2018-16226

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-23 · updated 2026-06-17
Weakness: CWE-79

Description

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: r5.0-hotfix3

References

https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0008
https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0008

Get alerted when CVE-2018-16226 or the next vulnerability affects your stack