CVE-2021-43584

4.8 mediumEPSS 1.2%

Medium (4.8) in nagios nagios cross platform agent. 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.

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2024-01-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nagios:nagios_cross_platform_agent

References

https://github.com/NagiosEnterprises/ncpa/issues/830
https://github.com/NagiosEnterprises/ncpa/issues/830

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