Exploit Scanner
Exploit Scanner is a PHP script which checks for exploits in software like Joomla, Drupal, WordPress, phpBB, vBulletin etc.
Cross-domain cookies/sessions in Safari and all other browsers
Safari does not allow cross-domain cookies. In other words, if on X.com, you load an iFrame with contents of Y.com and set a cookie in the iFrame, Safari will not save the cookie. This post contains a possible solution to this problem.