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PhpWebFtp Cross Site Scripting Vulnerability
From: arko.dhar () gmail com
Date: 25 Apr 2006 06:45:52 -0000

Summary
===============================================
phpWebFTP enables connections to FTP servers, even behind a firewall not allowing traffic. phpWebFTP bypasses the 
firewall by making a FTP connection from your webserver to the FTP server and transfering the files to your webclient 
over the http protocol

===========================================


Issue: PhpWebftp is prone to multiple XSS vulnerability .An attacker may leverage this issue to have arbitrary script 
code executed in the browser of an unsuspecting user in the context of the affected site. This may help the attacker 
steal cookie-based authentication credentials and launch other attacks.the exploit is tested on PhpWebFtp v2.3.


Proof of Concept 

XSS is possible via malicious arguments passed on the web browser using POST Method relative to the path of phpWebftp 
ie. http://www.anysite.com/PhpWebFtp/index.php?

server=1&port=<script>var%20sub_variable=11233;alert(sub_variable);</script>&goPassive=on&user=1&password=1&language=bulgarian

Further XSS Details and Xploits :
http://www.subjectzero.net/research/phpwebftpxss.htm






 


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  • PhpWebFtp Cross Site Scripting Vulnerability arko . dhar (Apr 25)
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