The person who found the 0-day set up a website that exploits the flaw by uninstalling MacKeeper.
Mr. Thomas released a proof-of-concept (POC) demonstrating how visiting a specially crafted webpage in Safari causes the affected system to execute arbitrary commands – in this case, to uninstall MacKeeper.
Mr. Thomas released a proof-of-concept (POC) demonstrating how visiting a specially crafted webpage in Safari causes the affected system to execute arbitrary commands – in this case, to uninstall MacKeeper.
Source: http://securemac.com/MacKeeper_Security_Advisory_Revised.php