[UNIX] My Little Forum XSS Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 12/23/03

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Date: 23 Dec 2003 17:19:13 +0200

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      My Little Forum XSS Vulnerability
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.mylittlehomepage.net/forum_script.html> My Little Forum is "a
    simple web-forum that supports classical thread view (message tree) as
    well as message board view to display the messages". A cross-site
    scripting vulnerability in the product allows remote attackers to insert
    malicious HTML and/or JavaScript into existing web pages.

    DETAILS

    Vulnerable systems:
     * My Little Forum version 1.3

    This PHP/MySQL based forum suffers from a cross-site scripting
    vulnerability. It can be exploited by including arbitrary HTML or even
    JavaScript code in the parameters (forum_contact, category and page),
    which will be executed in user's browser session when viewed.

    Example:
    The following URL can be used to test your system:
    http://vulnerablesite/forum/email.php?forum_contact="><script>alert(document.domain);</script>.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:iamroot@systemsecure.org>
    David S. Ferreira.

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