Fix POST escaping issues

html/passwordreset.php

@@ -260,8 +260,8 @@ if ($_SERVER["REQUEST_METHOD"] == "POST" && $action == 'finishreset') {
     $timelimit		= validate($_POST['lock']);
     $ldapdata		= array();
     $message            = array();
-    $password		= validate($_POST['new_password']);
-    $password_confirm	= validate($_POST['repeated_password']);
+    $password		= validate(get_post('new_password'));
+    $password_confirm	= validate(get_post('repeated_password'));
 
     /* Do the password fields match? */
     if ($password != $password_confirm) {

html/register.php

@@ -216,8 +216,8 @@ if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['create'])){
     $givenName          = validate($_POST['givenName']);
     $lastName           = validate($_POST['sn']);
     $email		= validate($_POST['mail']);
-    $password		= $_POST['new_password'];
-    $password_confirm	= $_POST['repeated_password'];
+    $password		= get_post('new_password');
+    $password_confirm	= get_post('repeated_password');
 
     /* Validate the data */
     if ($givenName == "") {