[Plugin: InstagramWidget] Site HACKED!!

Hi,

Our site got hacked. Please review how you manage the directory permissions!!!!

if(!empty($wp_uploads[‘error’])) echo $wp_uploads[‘error’];

if(!is_dir($cache_folder)){
if(mkdir($cache_folder, 0777) == false){
return $this->getDataFromApi($token, $number);
}
}

http://wordpress.org/extend/plugins/instagramwidget/