note 96356 modified in reserved.variables.server by danbrown

It makes sense to want to paste the $_SERVER['REQUEST_URI'] on to a page (like on a footer), but be sure to clean it up first with htmlspecialchars() otherwise it poses a cross-site scripting vulnerability. htmlspecialchars($_SERVER['REQUEST_URI']); e.g. http://www.example.com/foo?<script>... becomes http://www.example.com/foo?&lt;script&gt;... --was-- It makes sense to want to paste the $_SERVER['REQUEST_URI'] on to a page (like on a footer), but be sure to clean it up first with htmlspecialchars() otherwise it poses a cross-site scripting vulnerability. htmlspecialchars($_SERVER['REQUEST_URI']); e.g. http://yoursite/foo?<script>... becomes http://yoursite/foo?&lt;script&gt;... http://php.net/manual/en/reserved.variables.server.php