Discuz space. php injection vulnerability analysis-vulnerability warning-the black bar safety net

$member = $db-fetchfirst"SELECT m., mf., u. grouptitle, u. type, u. creditshigher, u. creditslower, u. readaccess, u. color AS groupcolor, u. stars AS groupstars, u. allownickname, u. allowuseblog, r. ranktitle, r. color AS rankcolor, r. stars AS rankstars $oltimeadd1 FROM $tablepremembers m LEFT...