Provide references for CVE-2019-19388.
Where can I find more information about CVE-2019-19388?
References are available at: https://gist.github.com/xax007/28e7326acfae677be0b351216888e522, https://github.com/fusionpbx/fusionpbx/commit/b584973e73a4d25be623c9748dd9817f69422ecc.