Nagios XI versions prior to 5.8.7 are vulnerable to cross-site scripting (XSS) via the Audit Log page’s Send to NLS form. 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 vulnerability in Audit Log page Send to NLS form."


Workaround

No workaround given by the vendor.

History

Wed, 05 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 14:15:00 +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 22:00:00 +0000

Type Values Removed Values Added
Description Nagios XI versions prior to 5.8.7 are vulnerable to cross-site scripting (XSS) via the Audit Log page’s Send to NLS form. 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 < 5.8.7 XSS in Audit Log via Send to NLS Form
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: 2025-11-17T18:21:43.598Z

Reserved: 2025-10-30T15:47:16.865Z

Link: CVE-2021-47699

cve-icon Vulnrichment

Updated: 2025-10-31T13:52:57.771Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-30T22:15:41.357

Modified: 2025-11-05T18:22:32.013

Link: CVE-2021-47699

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-31T10:13:07Z