AACMS injection 0day and fix-vulnerability warning-the black bar safety net

the includeonce 'common.php'; $keyword = $REQUEST'keyword'; //.....!@$%^& amp; ifempty$keyword sexit$lang'argerror'; $where = "; $where .= "title LIKE '%$keyword%'";//%for fuzzy queries, and more. $title = 'search'; .... include template'search'; POC...