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WebBBS Cross-Site Scripting Vulnerability
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Secunia Advisory:
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SA9149
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Release Date:
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2003-07-01
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Popularity:
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4,907 views
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Critical:
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Less critical
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Impact:
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Cross Site Scripting
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | WebBBS 5.x
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Description:
A vulnerability has been reported in WebBBS, which can be exploited by malicious people to conduct Cross-Site Scripting attacks against other users.
The vulnerability is caused due to missing validation of user input supplied in various fields ("Name", "Email", and "Message") when signing the guest book. A malicious person can exploit this to execute arbitrary script code in a user's browser session, when a malicious post is viewed.
Successful exploitation can result in disclosure of various information (eg. cookie-based authentication information) associated with the site running WebBBS or inclusion of malicious content, which the user thinks is part of the real website.
Solution:
Use another product, or filter malicious characters in a HTTP proxy or firewall with URL filtering capabilities.
Provided and/or discovered by:
Thierry Lavie
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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