CVE-2021-47694 - CVE House
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Status published Medium CVE-2021-47694

Nagios XI < 5.8.6 Core Config Manager (CCM) Reflected XSS via Test Command

Vulnerability Description

The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.4 / Nagios XI 5.8.6 contains a reflected cross-site scripting (XSS) vulnerability via the Test Command functionality. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Amit Raut of Trend Micro Security Research working with Trend Micro Zero Day Initiative

Affected Vendor

Affected Software

XI
Vulnerable Versions:
0

Timeline

Official Publish: October 30th, 2025
Last Modified: November 17th, 2025
Added to House: July 21st, 2026

CVSS Vectors

Weaknesses (CWE)