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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
SecurityTracker Alert ID:  1033178
SecurityTracker URL:  http://securitytracker.com/id/1033178
CVE Reference:   CVE-2015-2213, CVE-2015-5730, CVE-2015-5731, CVE-2015-5732, CVE-2015-5733, CVE-2015-5734   (Links to External Site)
Updated:  Aug 5 2015
Original Entry Date:  Aug 4 2015
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): 4.2.3 and prior versions
Description:   Several vulnerabilities were reported in WordPress. A remote user can inject SQL commands. A remote user can conduct cross-site scripting attacks.

The software does not properly filter HTML code from user-supplied input 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 software does not properly validate user-supplied input. A remote user can supply a specially crafted parameter value to execute SQL commands on the underlying database. This may allow the user to take full control of the target WordPress site.

Marc-Alexandre Montpas of Sucuri, Helen Hou-Sandi of the WordPress security team, Netanel Rubin of Check Point, and Ivan Grigorov reported these vulnerabilities.

Impact:   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.

Solution:   The vendor has issued a fix (4.2.4).

The vendor's advisory is available at:

https://wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/

Vendor URL:  wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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