CVE-2021-47699
MEDIUMNagios XI < 5.8.7 - Cross-Site Scripting via Audit Log Send to NLS Form
Title source: llmDescription
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.
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-xss-in-audit-log-via-send-to-nls-form
Scores
CVSS v3
5.4
EPSS
0.0037
EPSS Percentile
59.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
nagios/nagios_xi
< 5.8.7
Published
Oct 30, 2025
Tracked Since
Feb 18, 2026