Exposure of Sensitive Information to an Unauthorized Actor
The Form Autofill feature in Apple Safari before 6.0.1 does not restrict the filled fields to the set of fields contained in an Autofill popover, which allows remote attackers to obtain the Me card from an Address Book via a crafted web site.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.