# Nagios XI 5.6.13

Released April 7, 2020. Canonical HTML: https://www.nagios.com/changelog/nagios-xi/5-6-13/

## Security

- Fixed post auth XSS vulnerabilities (CVE-2020-10819, CVE-2020-10820, CVE-2020-10821) -JO
- Fixed security issues with Highcharts SVG generation -JO
- Fixed RCE vulnerability in admin section’s NRDP/NSCA outbound check configuration (thanks @TactiFail) -JO

## Fixed

- Fixed minor usability issues with SNMP Trap Interface -SAW

Generated 2026-11-14T21:39:40+00:00