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Category:   Application (Forum/Board/Portal)  >   WordPress Vendors:   wordpress.org
WordPress Multiple Flaws Let Remote Users Bypass Redirect Validation, Conduct Cross-Site Scripting Attacks, and Conduct Cross-Site Request Forgery Attacks
SecurityTracker Alert ID:  1038520
SecurityTracker URL:  http://securitytracker.com/id/1038520
CVE Reference:   CVE-2017-9061, CVE-2017-9062, CVE-2017-9063, CVE-2017-9064, CVE-2017-9065, CVE-2017-9066   (Links to External Site)
Updated:  May 18 2017
Original Entry Date:  May 18 2017
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of system information, Modification of user information, Not specified
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.7.4 and prior
Description:   Several vulnerabilities were reported in WordPress. A remote user can conduct cross-site request forgery attacks. A remote user can redirect the target user's browser to an arbitrary site. A remote user can conduct cross-site scripting attacks. The impact of some vulnerabilities was not specified.

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 Customizer is affected [CVE-2017-9063]. The uploading of very large files is affected [CVE-2017-9061].

A remote user can create a specially crafted HTML page or URL that, when loaded by the target authenticated user, will take actions on the target interface acting as the target user [CVE-2017-9064].

The filesystem credentials dialog is affected.

A remote user can create a URL that, when loaded by the target user, may exploit a redirect validation flaw [CVE-2017-9066].

The XML-RPC API does not properly handle post meta data values [CVE-2017-9062]. The impact was not specified.

The XML-RPC API does not properly check capabilities for post meta data. The impact was not specified [CVE-2017-9065].

Ronni Skansing, Sam Thomas, Ben Bidner of the WordPress Security Team, Yorick Koster, and Weston Ruter of the WordPress Security Team reported these vulnerabilities.

Impact:   A remote user can take actions on the target system acting as the target authenticated user.

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

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 was not specified for two vulnerabilities.

Solution:   The vendor has issued a fix (4.7.5).

The vendor advisory is available at:

https://wordpress.org/news/2017/05/wordpress-4-7-5/

Vendor URL:  wordpress.org/news/2017/05/wordpress-4-7-5/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  https://wordpress.org/news/2017/05/wordpress-4-7-5/

 
 


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