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Category:   Application (Forum/Board/Portal)  >   WordPress Vendors:   wordpress.org
WordPress Multiple Bugs Let Remote Users Conduct Cross-Site Scripting, SQL Injection, and Open Redirect Attacks
SecurityTracker Alert ID:  1039553
SecurityTracker URL:  http://securitytracker.com/id/1039553
CVE Reference:   CVE-2017-14718, CVE-2017-14719, CVE-2017-14720, CVE-2017-14721, CVE-2017-14722, CVE-2017-14723, CVE-2017-14724, CVE-2017-14725, CVE-2017-14726   (Links to External Site)
Date:  Oct 11 2017
Impact:   Disclosure of authentication information, Disclosure of system information, Disclosure of user information, Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 4.8.2
Description:   Multiple vulnerabilities were reported in WordPress. A remote user can redirect the target user's browser to an arbitrary site. A remote user may be able to inject SQL commands. A remote user can conduct cross-site scripting attacks.

A remote user can create a URL that, when loaded by the target user, will redirect the target user's browser to an arbitrary site [CVE-2017-14725]. The user and term edit screens are affected.

A remote user can send a specially crafted request to exploit a path traversal flaw. The customizer is affected [CVE-2017-14722]. The file unzipping code is affected [CVE-2017-14719]. The impact was not specified.

The $wpdb->prepare() function may not properly validate user-supplied input [CVE-2017-14723]. Depending on the plugin or theme, a remote user may be able to supply a specially crafted parameter value to execute SQL commands on the underlying database. The impact depends on the affected plugin or theme.

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 oEmbed discover function is affected [CVE-2017-14724].

The visual editor is affected [CVE-2017-14726].

The plugin editor is affected [CVE-2017-14721].

The template name field is affected [CVE-2017-14720].

The link modal is affected [CVE-2017-14718].

xknown of the WordPress Security Team, Slavco, Rodolfo Assis (@brutelogic) of Sucuri Security, Alex Chapman (noxrnet), Chen Ruiqi, Yasin Soliman (ysx), Weston Ruter of the WordPress Security Team, Luka (sikic), and Anas Roubi (qasuar) reported these vulnerabilities.

Impact:   A remote user can cause the target user's browser to be redirected to an arbitrary web site.

A remote user may be able execute SQL commands on the underlying database, depending on the affected plugins.

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 vulnerabilities was not disclosed.

Solution:   The vendor has issued a fix (4.8.2).

The vendor advisory is available at:

https://wordpress.org/news/2017/09/wordpress-4-8-2-security-and-maintenance-release/

Vendor URL:  wordpress.org/news/2017/09/wordpress-4-8-2-security-and-maintenance-release/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 11 2017 (Debian Issues Fix) WordPress Multiple Bugs Let Remote Users Conduct Cross-Site Scripting, SQL Injection, and Open Redirect Attacks
Debian has issued a fix for Debian Linux jessie, sid, and stretch.



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