MyBB xmlhttp.php 'value' Parameter XSS

This script is Copyright (C) 2011-2015 Tenable Network Security, Inc.

Synopsis :

The remote web server hosts a web application that is affected by a
cross-site scripting vulnerability.

Description :

The version of MyBB installed on the remote host is affected by a
cross-site scripting vulnerability due to improper validation of
user-supplied input to 'value' parameter of the 'xmlhttp.php' script.
A remote attacker can exploit this by enticing a user to click a
specially crafted URL.

Note that MyBB may also be affected by an additional cross-site
scripting vulnerability. However, Nessus has not tested for the issue.

See also :

Solution :

Upgrade to MyBB 1.4.15 / 1.6.2 or later.

Risk factor :

Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 4.1
Public Exploit Available : true

Family: CGI abuses : XSS

Nessus Plugin ID: 53288 ()

Bugtraq ID: 47131


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