CVE-2019-13176: Improper Restriction of XML External Entity Reference

An issue was discovered in the 3CX Phone system web management console 12.5.44178.1002 through 12.5 SP2. The Content.MainForm.wgx component is affected by XXE via a crafted XML document in POST data. There is potential to use this for SSRF reading local files, outbound HTTP, and outbound DNS...