CVE-2021-47694

MEDIUM

Nagios XI < 5.8.6 - Reflected Cross-Site Scripting via CCM Test Command

Title source: llm

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.

References (2)

Core 2

Core References

Release Notes release-notes patch

https://www.nagios.com/changelog/nagios-xi/

Third Party Advisory third-party-advisory

https://www.vulncheck.com/advisories/nagios-xi-ccm-reflected-xss-via-test-command

Scores

CVSS v3 6.1

EPSS 0.0037

EPSS Percentile 59.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79 CWE-116

Status published

Products (1)

nagios/nagios_xi < 5.8.6

Published Oct 30, 2025

Tracked Since Feb 18, 2026