While Apple added a checkpoint to the downloading and execution process, they did not eliminate this vulnerability. If a user can be tricked into opening a file that looks like a picture, the user may actually be opening a malicious script.  -   Kevin Long     Quotes
While Apple added a checkpoint to the downloading and execution process, they did not eliminate this vulnerability. If a user can be tricked into opening a file that looks like a picture, the user may actually be opening a malicious script. Kevin Long
 Execution