What is the CVSS score of CVE-2018-16226?

CVE-2018-16226 has a CVSS 3.0 base score of 6.1 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 1.1%.

Mivoice Office 400 CVE-2018-16226

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2018-10-23 cve@mitre.org

Microsoft XSS Mivoice Office 400

6.1

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Oct 23, 2018 - 21:30 nvd

MEDIUM 6.1

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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 include: Mitel Mivoice Office 400.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.