WpRecipes.com - Daily recipes to cook with WordPress

Simply paste the following lines into your .htaccess file. This file is located at the root of your WordPress install.
Remember to always make a backup of your .htaccess file before editing it so, you'll be able to restore it if something went wrong.

Options +FollowSymLinks
RewriteEngine On
RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR]
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
RewriteRule ^(.*)$ index.php [F,L]

Thanks to Oussama for those simple, but efficient lines of code!