CVE-2020-16157
A Stored XSS vulnerability exists in Nagios Log Server before 2.1.7 via the Notification Methods -> Email Users menu.
Date published : 2020-07-30
http://packetstormsecurity.com/files/158992/Nagios-Log-Server-2.1.6-Cross-Site-Scripting.html
https://www.getastra.com/blog/911/stored-xss-vulnerability-nagios-log-server/