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Category:   Application (Forum/Board/Portal)  >   WordPress Vendors:   wordpress.org
WordPress Bugs Permit Denial of Service, Cross-Site Scripting, and Cross-Site Request Forgery Attacks
SecurityTracker Alert ID:  1025299
SecurityTracker URL:  http://securitytracker.com/id/1025299
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Apr 6 2011
Impact:   Denial of service via network, Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 3.1.1
Description:   Several vulnerabilities were reported in WordPress. A remote user can cause denial of service conditions. A remote user can conduct cross-site scripting attacks. A remote user can conduct cross-site request forgery attacks.

A remote user can conduct cross-site request forgery attacks via the media uploader.

A remote user can include specially crafted links within comments to cause a PHP crash on the target system.

A remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the WordPress software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

WordPress core developers Jon Cave and Peter Westwood reported these vulnerabilities.

Impact:   A remote user can cause denial of service conditions.

A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the WordPress software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Solution:   The vendor has issued a fix (3.1.1).

The vendor's advisory is available at:

http://wordpress.org/news/2011/04/wordpress-3-1-1/

Vendor URL:  www.wordpress.org/ (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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