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Community Architect Guestbook "cgi-bin/guest" Script Insertion Vulnerability
Secunia Advisory: SA19742
Release Date: 2006-04-21
Last Update: 2006-04-26
Popularity: 14,393 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Unpatched

Software:Community Architect Guestbook

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CVE reference:CVE-2006-2003


Description:
Susam Pal has reported a vulnerability in Community Architect Guestbook, which can be exploited by malicious people to conduct script insertion attacks.

Some input passed to "cgi-bin/guest" when signing the guestbook isn't properly sanitised before being used. This can be exploited to inject arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious user data is viewed via "fsguestbook.html".

Solution:
Edit the source code to ensure that input is properly sanitised.

Provided and/or discovered by:
Susam Pal

Changelog:
2006-04-26: Added CVE reference.


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