CVE-2019-16989
In FusionPBX up to v4.5.7, the file appconferences_activeconference_interactive.php uses an unsanitized "c" variable coming from the URL, which is reflected in HTML, leading to XSS.
Date published : 2019-10-21
https://github.com/fusionpbx/fusionpbx/commit/83123e314a2e4c2dd0815446f89bcad97278d98d