Open redirect vulnerability in Cisco WebEx Training Center allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors, aka Bug ID CSCul57140.
https://exchange.xforce.ibmcloud.com/vulnerabilities/89653
http://www.securitytracker.com/id/1029492
http://tools.cisco.com/security/center/viewAlert.x?alertId=32146
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6971