Joomla! libraries/idna_convert/example.php lang Parameter XSS

This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.

Synopsis :

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

Description :

The version of Joomla! installed on the remote host is affected by a
cross-site scripting vulnerability because the application fails to
properly sanitize user-supplied input to the 'lang' parameter of the
'libraries/idna_convert/example.php' script. An attacker may be able to
leverage this issue to inject arbitrary HTML and script code into a
user's browser to be executed within the security context of the
affected site.

See also :

Solution :

Unknown at this time. It's suggested that the script be removed.

Risk factor :

Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.7
Public Exploit Available : true

Family: CGI abuses : XSS

Nessus Plugin ID: 69280 ()

Bugtraq ID: 61600

CVE ID: CVE-2013-5583

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