Patch Bug Bypass Admin
-Evan

<?php
$message = “”;
if(isset($_POST[‘submit’])){
$username= ($_POST[username]);
$password = md5($_POST[‘password’]);
$query = “SELECT * FROM admin WHERE username = ‘$username’ and password = ‘$password’ and usertype = ‘1’”;
$query_result = mysqli_query($con, $query);
if(mysqli_num_rows($query_result)){
$row = mysqli_fetch_assoc($query_result);
$_SESSION[‘admin_id’] = $row[‘id’];
$_SESSION[‘username’] = $row[‘username’];
header(“location: index.php”);
}else{
$message = “Username and password is not matched.”;
}
}
?>

$username= ($_POST['username']);
$password = md5($_POST['password']);

Bug Fixed : $username=addslashes(trim($_POST[username])); /* tambahkan $username=addslashes(trim sebelum ($_POST

<?php
$message = "";
if(isset($_POST['submit'])){
$username = addslashes(trim($_POST['username']));
$password = md5($_POST['password']);
$query = "SELECT * FROM admin WHERE username = '$username' and password = '$password' and usertype = '1'";
$query_result = mysqli_query($con, $query);
if(mysqli_num_rows($query_result)){
$row = mysqli_fetch_assoc($query_result);
$_SESSION['admin_id'] = $row['id'];
$_SESSION['username'] = $row['username'];
header("location: index.php");
}else{
$message = "Username and password is not matched.";
}
}
?>