Provide references for CVE-2019-1566.
Where can I find more information about CVE-2019-1566?
References are available at: http://www.securityfocus.com/bid/106750, https://security.paloaltonetworks.com/CVE-2019-1566, https://www.purplemet.com/blog/palo-alto-firewall-multiple-xss-vulnerabilities.