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Vulnerability Assessment Details

YaBB XSS and Administrator Command Execution

Vulnerability Assessment Summary
Checks YaBB.pl XSS

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote web server contains a CGI application that suffers from
multiple vulnerabilities.

Description :

The 'YaBB.pl' CGI is installed. This version is affected by a
cross-site scripting vulnerability. This issue is due to a failure of
the application to properly sanitize user-supplied input.

As a result of this vulnerability, it is possible for a remote
attacker to create a malicious link containing script code that will
be executed in the browser of an unsuspecting user when followed.

Another flaw in YaBB may permit a possible hacker to execute malicious
administrative commands on the remote host by sending malformed IMG
tags in posts to the remote YaBB forum and waiting for the forum
administrator to view one of the posts.

See also :

http://archives.neohapsis.com/archives/bugtraq/2004-09/0227.html

Solution :

Unknown at this time.

Network Security Threat Level:

Medium / CVSS Base Score : 4
(AV:R/AC:L/Au:R/C:P/A:P/I:P/B:N)

Networks Security ID: 11214, 11215

Vulnerability Assessment Copyright: This script is Copyright (C) 2004 David Maciejak

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