Add the following line to application/config/config.php file. $config[‘csrf_exclude_uris’] = array(‘controller 1′,’controller 2′,’controller3/method 1′,’controller3/method 2’); system/core/Security.php Modify the public function csrf_verify() function in Security.php public function csrf_verify() { // If it’s not a POST request we will set the CSRF cookie if (strtoupper($_SERVER[‘REQUEST_METHOD’]) !== ‘POST’) { return $this->csrf_set_cookie(); } // this IF statement is the…