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Category:   Application (Forum/Board/Portal)  >   WordPress Vendors:   wordpress.org
WordPress Bugs Let Remote Users Conduct Cross-Site Scripting and SQL Injection Attacks, Obtain Potentially Sensitive Information, and Gain Elevated Privileges
SecurityTracker Alert ID:  1037731
SecurityTracker URL:  http://securitytracker.com/id/1037731
CVE Reference:   CVE-2017-5610, CVE-2017-5611, CVE-2017-5612, CVE-2017-1001000   (Links to External Site)
Updated:  Feb 10 2017
Original Entry Date:  Jan 27 2017
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.7.1 and prior
Description:   Several vulnerabilities were reported in WordPress. A remote user can obtain potentially sensitive information on the target system. A remote user can inject SQL commands. A remote user can conduct cross-site scripting attacks. A remote user can gain elevated privileges.

A remote user can view the Press This user interface for assigning taxonomy terms even if they do not have permissions to use the interface [CVE-2017-5610].

WP_Query (which may be accessible via some plugins) does not properly validate user-supplied input [CVE-2017-5611]. A remote user can supply a specially crafted parameter value to execute SQL commands on the underlying database.

The posts list table does not properly filter HTML code from user-supplied input before displaying the input [CVE-2017-5612]. 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.

A remote user can exploit a flaw in a REST API endpoint to gain elevated privileges on the target system [CVE-2017-1001000]. Versions 4.7 and 4.7.1 are affected.

David Herrera of Alley Interactive, Mo Jangda (batmoo), Ian Dunn of the WordPress Security Team, and Marc-Alexandre Montpas of Sucuri Security reported these vulnerabilities.

Impact:   A remote user can obtain potentially sensitive information on the target system.

A remote user can execute SQL commands on the underlying database.

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 gain elevated privileges on the target system.

Solution:   The vendor has issued a fix (4.7.2).

The vendor advisories are available at:

https://wordpress.org/news/2017/01/wordpress-4-7-2-security-release/
https://make.wordpress.org/core/2017/02/01/disclosure-of-additional-security-fix-in-wordpress-4-7-2/

Vendor URL:  wordpress.org/news/2017/01/wordpress-4-7-2-security-release/ (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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