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Category:   Application (Forum/Board/Portal)  >   WordPress Vendors:   wordpress.org
WordPress Bugs Permit Cross-Site Scripting and Port Scanning Attacks
SecurityTracker Alert ID:  1028045
SecurityTracker URL:  http://securitytracker.com/id/1028045
CVE Reference:   CVE-2013-0235, CVE-2013-0236, CVE-2013-0237   (Links to External Site)
Updated:  Jul 8 2013
Original Entry Date:  Jan 25 2013
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Host/resource access via network, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 3.5.1
Description:   Several vulnerabilities were reported in WordPress. A remote user can conduct cross-site scripting attacks. A remote user can conduct port scanning attacks.

A remote user can exploit a server-side request forgery flaw to obtain potentially sensitive information about a target site and potentially compromise the site [CVE-2013-0235]. A remote user can also conduct remote port scanning attacks against other sites using pingbacks. All versions are affected.

Several scripts do not properly filter HTML code from user-supplied input before displaying the input [CVE-2013-0236]. 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.

Shortcodes and post content are affected. Jon Cave of the WordPress security team reported this vulnerability.

The external library Plupload (prior to 1.5.5) is also affected [CVE-2013-0237].

Impact:   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.

A remote user can obtain potentially sensitive information about a target site and potentially compromise the site.

Solution:   The vendor has issued a fix (3.5.1).

The vendor's advisory is available at:

http://wordpress.org/news/2013/01/wordpress-3-5-1/

Vendor URL:  wordpress.org/news/2013/01/wordpress-3-5-1/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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