CVE-2019-16973
In FusionPBX up to 4.5.7, the file appcontactscontact_edit.php uses an unsanitized "query_string" variable coming from the URL, which is reflected in HTML, leading to XSS.
Date published : 2019-10-22
https://github.com/fusionpbx/fusionpbx/commit/cc820b2eb12a3b7070afdcb7f977f70a1d49ce49