Provide references for CVE-2019-16971.
Where can I find more information about CVE-2019-16971?
References are available at: https://github.com/fusionpbx/fusionpbx/commit/c48a160af53352ad1a43518b7d0faab16b8dfbcc, https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-4/.