CVE-2021-47689

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.0 / Nagios XI 5.8.0 contais a cross-site scripting (XSS) vulnerability in the Templates pages, specifically in the UI logic that renders and handles the Active/Actions buttons. 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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
NagiosXI< 5.8.0

References

Timeline

Published
Oct 30, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2021-47689: Medium severity, CVSS 5.4 | Vulnix