Provide references for CVE-2019-16989.
Where can I find more information about CVE-2019-16989?
References are available at: https://github.com/fusionpbx/fusionpbx/commit/83123e314a2e4c2dd0815446f89bcad97278d98d, https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-19/.