ldc-crm/app/Http/Middleware/XssSanitizer.php

<?php

namespace App\Http\Middleware;

use Closure;

class XssSanitizer
{
    /**
     * Handle an incoming request.
     *
     * @param  mixed    $request
     * @param  \Closure $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        $input = $request->all();
        array_walk_recursive($input, function (&$input) {
            $input = strip_tags($input);
        });
        $request->merge($input);
        return $next($request);
    }
}