CVE-2022-50588

MEDIUM

Nagios XI < 5.8.9 - Stored Cross-Site Scripting in Update Checking Feature

Title source: llm

Description

Nagios XI versions prior to 5.8.9 are vulnerable to cross-site scripting (XSS) in the update checking feature. 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-stored-xss-in-update-checking

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 < 5.8.9

Published Oct 30, 2025

Tracked Since Feb 18, 2026