Open Classifieds version 1.7.0.2 XSS Vuln.

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Vuln. discovered by : r0t
Date: 12 September 2010
vendor:http://open-classifieds.com/
affected versions:Open Classifieds version 1.7.0.2
Open Classifieds version 1.7.0
and other prior
versions also can be affected.
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Open Classifieds contains a flaw that allows a remote Cross-Site Scripting attacks.Input passed to the "desc","price","title","place" parameter in "index.php" and "subject" parameter in "contact.htm" isn't properly sanitised before being returned to the user.
This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.


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Solution:
Filter malicious characters and character sequences in a web proxy.
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