ECShop V2.7.3 GBK release1106注入0day

C0deplay Team    j8g 

elseif ($action == 'act_edit_profile') {     include_once(ROOT_PATH . 'includes/lib_transaction.php');       $birthday = trim($_POST['birthdayYear']) .'-'. trim($_POST['birthdayMonth']) .'-'.     trim($_POST['birthdayDay']);     $email = trim($_POST['email']);     $other['msn'] = $msn = isset($_POST['extend_field1']) ? trim($_POST['extend_field1']) : '';     $other['qq'] = $qq = isset($_POST['extend_field2']) ? trim($_POST['extend_field2']) : '';     $other['office_phone'] = $office_phone = isset($_POST['extend_field3']) ? trim($_POST['extend_field3']) : '';     $other['home_phone'] = $home_phone = isset($_POST['extend_field4']) ? trim($_POST['extend_field4']) : '';     $other['mobile_phone'] = $mobile_phone = isset($_POST['extend_field5']) ? trim($_POST['extend_field5']) : '';     $sel_question = empty($_POST['sel_question']) ? '' : $_POST['sel_question'];     $passwd_answer = isset($_POST['passwd_answer']) ? trim($_POST['passwd_answer']) : '';       /* 更新用户扩展字段的数据 */     $sql = 'SELECT id FROM ' . $ecs->table('reg_fields') . ' WHERE type = 0 AND display = 1 ORDER BY dis_order, id';   //读出所有扩展字段的id     $fields_arr = $db->getAll($sql);       foreach ($fields_arr AS $val)       //循环更新扩展用户信息     {         $extend_field_index = 'extend_field' . $val['id'];         if(isset($_POST[$extend_field_index]))         {             $temp_field_content = strlen($_POST[$extend_field_index]) > 100 ? mb_substr(htmlspecialchars($_POST[$extend_field_index]), 0, 99) : htmlspecialchars($_POST[$extend_field_index]);             $sql = 'SELECT * FROM ' . $ecs->table('reg_extend_info') . "  WHERE reg_field_id = '$val[id]' AND user_id = '$user_id'";             if ($db->getOne($sql))      //如果之前没有记录，则插入             {                 $sql = 'UPDATE ' . $ecs->table('reg_extend_info') . " SET content = '$temp_field_content' WHERE reg_field_id = '$val[id]' AND user_id = '$user_id'";             }             else             {                 $sql = 'INSERT INTO '. $ecs->table('reg_extend_info') . " (`user_id`, `reg_field_id`, `content`) VALUES ('$user_id', '$val[id]', '$temp_field_content')";             }             $db->query($sql);         }     }       /* 写入密码提示问题和答案 */     if (!empty($passwd_answer) && !empty($sel_question))     {         $sql = 'UPDATE ' . $ecs->table('users') . " SET `passwd_question`='$sel_question', `passwd_answer`='$passwd_answer'  WHERE `user_id`='" . $_SESSION['user_id'] . "'";                 echo $sql;         $db->query($sql);     }