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myPHP Guestbook "lang" Cross-Site Scripting
Secunia Advisory: SA20572
Release Date: 2006-06-13
Last Update: 2006-07-03
Popularity: 6,380 views

Critical:
Less critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:myPHP Guestbook 2.x

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CVE reference:CVE-2006-3062


Description:
x0r_1 has discovered a vulnerability in myPHP Guestbook, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "lang" parameter in index.php is not 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.

The vulnerability has been confirmed in versions 2.0.2 and 2.0.4. Other versions may also be affected.

Solution:
Update to version 2.0.5.
http://www.networkarea.ch/php_mysql_guestbook.html

Provided and/or discovered by:
x0r_1

Changelog:
2006-06-20: Added CVE reference.
2006-07-03: Updated "Solution" section.


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