[Full-Disclosure] XSS in yacy 0.31

From: Donato Ferrante (fdonato_at_autistici.org)
Date: 12/24/04

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    Date: Fri, 24 Dec 2004 14:52:36 -0000
    To: <bugtraq@securityfocus.com>, <vuln@secunia.com>, <full-disclosure@lists.netsys.com>, <bugs@securitytracker.com>, <news@securiteam.com>
    
    

                               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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    _______________________________________________
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