Discuz! v7. 2 injection vulnerability analysis and exploit-vulnerability warning-the black bar safety net

Vulnerability analysis: 文件 ./manyou/sources/notice.php The relevant code: $appid = intval$GET'appid'; $db-query"DELETE FROM $tablepremyinvite WHERE appid='$appid' AND touid='$discuzuid'"; showmessage'manyou:done', 'userapp.php script=notice&action=invite'; elseif$option == 'deluserapp' $hash =...