Exposure of Sensitive Information to an Unauthorized Actor
Safari in Apple iOS before 8.3 does not delete Recently Closed Tabs data in response to a history-clearing action, which allows attackers to obtain sensitive information by reading a history file.
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.