Provide references for CVE-2019-16977.
Where can I find more information about CVE-2019-16977?
References are available at: https://github.com/fusionpbx/fusionpbx/commit/fc8e4e2d278ce6bffff21b04248d469a59eb8cd4, https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-10/.