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    <p>From what I can tell you should escape all fields in here:</p> <pre><code>$registerquery = mysql_query("INSERT INTO users (Username, password, EmailAddress,Activation,registered) VALUES('".$username."', '".$password."', '".$email."','".$activation."','".$date."')"); </code></pre> <p>You have:</p> <pre><code>$username = mysql_real_escape_string(trim($_POST['username'])); $email = mysql_real_escape_string(trim($_POST['email'])); </code></pre> <p>You should have the same for $password, $activation and $date... Not sure if you do</p> <p>Anyway I use normally use this:</p> <pre><code>function getPost($s) { if (array_key_exists($s, $_POST)) return mysql_real_escape_string(htmlspecialchars($_POST[$s])); else return false; } function getGet($s) { if (array_key_exists($s, $_GET)) return mysql_real_escape_string(htmlspecialchars($_GET[$s])); else return false; } </code></pre> <p>But it's to protect against XSS also... I though you should be safe with mysql_real_escape_string().</p> <p>Anyway you can also use Prepared statements and forget all about this!! <a href="http://php.net/manual/en/pdo.prepared-statements.php" rel="nofollow">http://php.net/manual/en/pdo.prepared-statements.php</a></p> <p><strong>EDIT</strong> Well, no valid username there, right? So what about this:</p> <pre><code>try{ $getMail = $dbh-&gt;prepare("SELECT EmailAddress FROM users WHERE username = :username"); $getMail-&gt;bindParam(':username', $username); $getMail-&gt;execute(); $rowMail = $getMail-&gt;fetch(); $email = $rowMail['emailaddress']; } catch( PDOException $Exception ) { echo 'Authentication Failed'; } </code></pre> <p>Can't test it right now, but it should be something around this lines...</p>
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    1. POSql injection from form
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    1. USjribeiro
    1. USjribeiro
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    1. COI do have ,but Acunetix show errors only for username and email thats why i show only them
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    2. COPlease check my answer again
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    3. COyour getPost/get functions are quite useless.
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      1. USYour Common Sense
 

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