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TSguestbook Message Field Cross-Site Scripting Vulnerability
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Secunia Advisory:
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SA9636
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Release Date:
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2003-09-01
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Popularity:
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4,452 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: | TSguestbook 2.x
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Description:
A vulnerability has been reported in TSguestbook, which can be exploited by malicious users to conduct Cross-Site Scripting attacks against other users.
The vulnerability is caused due to missing input validation in the "Message" field. This can be exploited 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 TSguestbook or inclusion of malicious content, which the user thinks is part of the real website.
The vulnerability has been reported in version 2.1. However, other versions may also be affected.
Solution:
Filter malicious input in a HTTP proxy.
Edit the source code so proper input validation is performed.
Use another product.
Provided and/or discovered by:
Trash-80
Original Advisory:
http://www.zone-h.org/en/advisories/read/id=2961/
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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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