The API in the Guest Server in Cisco Jabber, when the HTML5 CORS feature is used, allows remote attackers to obtain sensitive information by sniffing the network during an HTTP (1) GET or (2) POST request, aka Bug ID CSCus19789.
https://tools.cisco.com/security/center/viewAlert.x?alertId=36870
http://www.securitytracker.com/id/1031422
http://www.securityfocus.com/bid/71770
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-8024