The API in the Guest Server in Cisco Jabber, when HTML5 is used, allows remote attackers to obtain sensitive information by sniffing the network during an HTTP (1) GET or (2) POST response, aka Bug ID CSCus19801.
https://tools.cisco.com/security/center/viewAlert.x?alertId=36871
http://www.securitytracker.com/id/1031422
http://www.securityfocus.com/bid/71768
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-8025