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Category:   Application (Forum/Board/Portal)  >   WordPress Vendors:   wordpress.org
WordPress Bugs Let Remote Users Conduct Cross-Site Scripting and Path Traversal Attacks
SecurityTracker Alert ID:  1036747
SecurityTracker URL:  http://securitytracker.com/id/1036747
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Sep 9 2016
Original Entry Date:  Sep 8 2016
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, Not specified
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.6 and prior
Description:   Two vulnerabilities were reported in WordPress. A remote user can conduct cross-site scripting attacks. A remote user can conduct path traversal attacks.

The software does not properly filter HTML code from user-supplied input in the image filename before displaying the input. 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.

The original advisory is available at:

https://sumofpwn.nl/advisory/2016/persistent_cross_site_scripting_vulnerability_in_wordpress_due_to_unsafe_processing_of_file_names.html

A path traversal flaw exists in the upgrade package uploader. The impact was not specified.

SumOfPwn researcher Cengiz Han Sahin and Dominik Schilling from the WordPress security team each reported one vulnerability.

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.

The impact of the path traversal flaw was not disclosed.

Solution:   The vendor has issued a fix (4.6.1).

The vendor advisory is available at:

https://wordpress.org/news/2016/09/wordpress-4-6-1-security-and-maintenance-release/

Vendor URL:  wordpress.org/news/2016/09/wordpress-4-6-1-security-and-maintenance-release/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents



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