CVE-2018-16226

Name: CVE-2018-16226
Creator: NVD / NIST
Published: 2018-10-23T21:30:52.94+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.12%

Last modified Jun 17, 2026

CVE-2018-16226 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Mitel	Mivoice Office 400	r5.0	Hotfix3

References

Timeline

Published: Oct 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-16226?

How severe is CVE-2018-16226?

Severity scoring for CVE-2018-16226 is pending analysis. The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16226?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-16226?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST