MediaWiki Backslash Escaped CSS Comments XSS

This script is Copyright (C) 2011-2012 Tenable Network Security, Inc.


Synopsis :

The remote web server hosts a version of MediaWiki vulnerable to a
cross-site scripting attack.

Description :

There is a cross-site scripting vulnerability in this installation of
MediaWiki that may allow an attacker to execute arbitrary script code
in the browser of an unsuspecting user. Such script code could steal
authentication credentials and be used to launch other attacks.

This version of MediaWiki may also contain a second cross-site
scripting and/or an unauthorized access vulnerability, but this
plugin did not test for these vulnerabilities.

See also :

http://www.nessus.org/u?ccfd3229
https://bugzilla.wikimedia.org/show_bug.cgi?id=28450

Solution :

Upgrade to MediaWiki 1.16.3 or later.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N)
CVSS Temporal Score : 3.6
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: CGI abuses : XSS

Nessus Plugin ID: 53448 ()

Bugtraq ID: 47354

CVE ID: CVE-2011-1579