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XSS in yacy 0.31

from [Donato Ferrante] Network Security [Permanent Link]
Subject: XSS in yacy 0.31
Date: Fri, 24 Dec 2004 14:52:36 -0000 

                           Donato Ferrante


Application:  yacy
              http://www.yacy.net

Version:      0.31

Bug:          cross site scripting

Date:         24-Dec-2004

Author:       Donato Ferrante
              e-mail: fdonato@autistici.org
              web:    www.autistici.org/fdonato


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1. Description
2. The bug
3. The code
4. The fix



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----------------
1. Description:
----------------

Vendor's Description:

"YACY: a Java Freeware Open-Source Caching HTTP Proxy and Global
P2P-Based Search Engine"



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------------
2. The bug:
------------

The input strings, into some field, are not filtered by the server so
they will appear in the returned page.



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-------------
3. The code:
-------------

To test the vulnerability, try for example:

1.
   http://[host]:8080/index.html?urlmaskfilter=[XSS]
-
2.
   http://[host]:8080/Wiki.html?page=[XSS]
-



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------------
4. The fix:
------------

Bug fixed in the version 0.32.



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