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WebAPP Guestbook PRO Module Message Script Insertion
Secunia Advisory: SA15290
Release Date: 2005-05-11
Last Update: 2005-05-17
Popularity: 8,371 views

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

Software:Guestbook PRO 3.x (module for WebAPP)

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CVE reference:CVE-2005-1557


Description:
SoulBlack Security Research has reported a vulnerability in the Guestbook PRO module for WebAPP, which can be exploited by malicious people to conduct script insertion attacks.

Input passed to the title and content of a message is not 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 message is viewed.

The vulnerability has been reported in version 3.2.1. Other versions may also be affected.

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

Provided and/or discovered by:
SoulBlack Security Research

Changelog:
2005-05-17: Added CVE reference.

Original Advisory:
http://www.soulblack.com.ar/repo/papers/guesbookpro_advisory.txt


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