what you don't know can hurt you

EA Sports Cross Site Scripting

EA Sports Cross Site Scripting
Posted Jun 21, 2011
Authored by Juan Sacco

EA Sports aka ea.com suffers from a cross site scripting vulnerability.

tags | exploit, xss
MD5 | 5280eb8131f3a62e427bdf78b62bca6f

EA Sports Cross Site Scripting

Change Mirror Download
 Information
--------------------
Name : XSS Persistent in EA Sports
Software : EA Sports Main site
Vendor Homepage : http://www.ea.com
Vulnerability Type : XSS Persistent
Severity : Very High
Researcher : Juan Sacco <jsacco [at] insecurityresearch [dot] com>

Description
------------------
EA Sports is prone to a XSS Stored vulnerability because the
application fails to properly perform adequate boundary checks on
user-supplied data.
An attacker can exploit this issue to execute arbitrary code in the
victim's machine.

Details
-------------------
The persistent (or stored) XSS vulnerability is a more devastating
variant of a cross-site scripting flaw: it occurs when the data provided
by the attacker is saved by the server, and then permanently displayed
on "normal" pages returned to other users in the course of regular
browsing, without proper HTML escaping. A classic example of this is
with online message boards where users are allowed to post HTML
formatted messages for other users to read

Exploit example as follow
-----------------------------
Vulnerable web site
http://www.ea.com/soccer/profile/biography/cem_ea_id/jsacco123

The vulnerability is caused by the following code and affected by the
"Hometown" input
<li>
<label class="section">Home Town:</label>
'><script xml:space="preserve">alert("XSS discovered by INSECT
Pro")</script> </li>
<li>

Solution
-------------------
No patch are available at this time.

Credits
-------------------
Manual discovered by Insecurity Research Labs
Juan Sacco - http://www.insecurityresearch.com

--
_________________________________________________
Insecurity Research - Security auditing and testing software
Web: http://www.insecurityresearch.com
Insect Pro 2.6.1 was released stay tunned

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