Provide references for CVE-2019-16981.
Where can I find more information about CVE-2019-16981?
References are available at: https://github.com/fusionpbx/fusionpbx/commit/021ff8f8e51cd1254d19e88e7aedc4b795067f8d, https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-13/.