The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.1 / Nagios XI 5.8.2 contains multiple cross-site scripting (XSS) vulnerabilities in Overlay modals. 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.
Advisories

No advisories yet.

Fixes

Solution

Nagios addresses this vulnerability as "Fixed XSS security vulnerabilities in Overlay modals."


Workaround

No workaround given by the vendor.

History

Thu, 06 Nov 2025 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Nagios nagios Xi
CPEs cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
Vendors & Products Nagios nagios Xi
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}


Fri, 31 Oct 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 31 Oct 2025 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Nagios
Nagios xi
Vendors & Products Nagios
Nagios xi

Thu, 30 Oct 2025 21:45:00 +0000

Type Values Removed Values Added
Description The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.1 / Nagios XI 5.8.2 contains multiple cross-site scripting (XSS) vulnerabilities in Overlay modals. 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.
Title Nagios XI < 5.8.2 Core Config Manager (CCM) XSS via Overlay Modals
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-11-17T18:21:41.967Z

Reserved: 2025-10-29T19:30:49.131Z

Link: CVE-2021-47690

cve-icon Vulnrichment

Updated: 2025-10-31T14:21:00.694Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-30T22:15:40.257

Modified: 2025-11-06T18:20:32.023

Link: CVE-2021-47690

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-31T10:13:27Z

Weaknesses