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Medium · 5.1 CVE-2022-50588 EUVD-2022-55675GHSA-qvh9-4f56-7x24

Nagios XI < 5.8.9 Stored XSS in Update Checking

Published Oct 30, 2025 · Updated Nov 17, 2025 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Nagios XI < 5.8.9 5.8.9

References