The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.0.8 / Nagios XI 5.7.5 contains multiple cross-site scripting (XSS) vulnerabilities in the overlay UI elements and the Notification/Check Period pages. 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.

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Tracking

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Advisories

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Fixes

Solution

Nagios addresses this vulnerability as "Fixed various XSS security vulnerabilities in overlay and notification/check period."


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 3.0.8 / Nagios XI 5.7.5 contains multiple cross-site scripting (XSS) vulnerabilities in the overlay UI elements and the Notification/Check Period pages. 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 < 5.7.5 Core Config Manager (CCM) XSS via Overlay Rendering and Notification/Check Period Pages
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-11-17T18:21:40.109Z

Reserved: 2025-10-29T19:12:11.788Z

Link: CVE-2020-36861

cve-icon Vulnrichment

Updated: 2025-10-31T14:20:41.848Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-30T22:15:38.847

Modified: 2025-11-06T18:20:44.227

Link: CVE-2020-36861

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-31T10:13:25Z

Weaknesses