CVE-2021-35478: Nagios Log Server

Medium severity, CVSS 5.4. EPSS: 76.6% chance of exploitation in the next 30 days.

Nagios Log Server before 2.1.9 contains Reflected XSS in the dropdown box for the alert history and audit log function. All parameters used for filtering are affected. This affects users who open a crafted link or third-party web page.

Affected products

• Nagios Log Server: before 2.1.9 (fixed in 2.1.9)

Published 2021-07-30. Last modified 2026-06-17.