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Home >> Browse Vulnerability Assessment Database >> CGI abuses : XSS >> Advanced Guestbook User-Agent HTML Injection Vulnerability


Vulnerability Assessment Details

Advanced Guestbook User-Agent HTML Injection Vulnerability

Vulnerability Assessment Summary
Checks for User-Agent HTML injection vulnerability in Advanced Guestbook

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server contains a PHP script which is vulnerable to a cross site
scripting issue.

Description :

The remote host is running Advanced Guestbook, a free guestbook
written in PHP.

The installed version of Advanced Guestbook fails to properly sanitize
the 'HTTP_USER_AGENT' environment variable before using it in
dynamically generated content. A possible hacker can exploit this flaw to
launch cross-site scripting attacks against the affected application.

Solution :

Upgrade to Advanced Guestbook version 2.3.3 or later.

See also :

http://proxy2.de/forum/viewtopic.php?t=4144
http://www.dom-team.net/advisories/Advisory2.txt


Network Security Threat Level:

Low / CVSS Base Score : 3
(AV:R/AC:H/Au:NR/C:P/A:N/I:N/B:C)

Networks Security ID: 14391

Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Tenable Network Security

Workstations, Terminals

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