*Modified the Router so that when Query Strings are Enabled, the controller trigger and function trigger values are sanitized for filename include security.
diff --git a/system/libraries/Router.php b/system/libraries/Router.php
index 6c3062c..e2a1480 100644
--- a/system/libraries/Router.php
+++ b/system/libraries/Router.php
@@ -49,6 +49,7 @@
 	function CI_Router()

 	{

 		$this->config =& load_class('Config');

+		$this->input =& load_class('Input');

 		$this->_set_route_mapping();

 		log_message('debug', "Router Class Initialized");

 	}

@@ -482,7 +483,7 @@
 	 */	

 	function set_class($class)

 	{

-		$this->class = $class;

+		$this->class = $this->input->filename_security($class);

 	}

 	

 	// --------------------------------------------------------------------

@@ -509,7 +510,7 @@
 	 */	

 	function set_method($method)

 	{

-		$this->method = $method;

+		$this->method = $this->input->filename_security($method);

 	}

 

 	// --------------------------------------------------------------------

@@ -541,7 +542,7 @@
 	 */	

 	function set_directory($dir)

 	{

-		$this->directory = $dir.'/';

+		$this->directory = $this->input->filename_security($dir).'/';

 	}

 

 	// --------------------------------------------------------------------