[UNIX] Yabbse XSS Vulnerability in news_template.php (threadid, msgid)

From: support@securiteam.com
Date: 01/05/03

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Date: 5 Jan 2003 16:52:23 +0200

    The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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      Yabbse XSS Vulnerability in news_template.php (threadid, msgid)
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.securiteam.com/unixfocus/5BP061F8US.html> YaBB SE is a
    PHP/MySQL port of the popular forum software YaBB (yet another bulletin
    board). A cross site scripting vulnerability in the product allows a
    remote attacker to cause the web page to insert malicious HTML and
    JavaScript into existing web pages.

    DETAILS

    Vulnerable systems:
     * Yabbse version 1.5.0

    Examples:
    http://victim/yabbse/index.php?board=1;action=display;threadid=1>alert(document.cookie)</S!cript>

    http://victim/yabbse/index.php?board=1;action=reporttm;thread=1;id=0;subject=Welcome%20to%20YaBB%20SE!;poster=YaBB%20SE%20Dev%20Team;msgid=1"><S!cript>alert(document.cookie)</S!cript>

    Impact:
    This can allow attackers to steal Yabb's cookies from other users and
    hijack their accounts.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:nmsh_sa@yahoo.com> NaSsEr
    M.Sh.

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

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