CVE-2021-43584: Nagios Cross Platform Agent

Medium severity, CVSS 4.8. EPSS: 1.2% chance of exploitation in the next 30 days.

DOM-based Cross Site Scripting (XSS vulnerability in 'Tail Event Logs' functionality in Nagios Nagios Cross-Platform Agent (NCPA) before 2.4.0 allows attackers to run arbitrary code via the name element when filtering for a log.

Affected products

• Nagios Nagios Cross Platform Agent: before 2.4.0 (fixed in 2.4.0)

Published 2024-01-24. Last modified 2026-06-17.