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Category:   Application (Forum/Board/Portal)  >   WordPress Vendors:
WordPress Bugs Let Remote Users Conduct Server-Side Request Forgery and Open Redirect Attacks
SecurityTracker Alert ID:  1034933
SecurityTracker URL:
CVE Reference:   CVE-2016-2221, CVE-2016-2222   (Links to External Site)
Date:  Feb 4 2016
Impact:   Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 4.4.2
Description:   Two vulnerabilities were reported in WordPress. A remote user can conduct server-side request forgery attacks. A remote user can redirect the target user's browser to an arbitrary site.

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-2016-2221].

A remote user can supply a specially crafted address value in an HTTP header to conduct server-side request forgery attacks and potentially take unauthorized actions on the target interface acting as the target user [CVE-2016-2222].

Ronni Skansing reported the request forgery vulnerability. Shailesh Suthar reported the open redirect vulnerability.

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.

Solution:   The vendor has issued a fix (4.4.2).

The vendor's advisory is available at:

Vendor URL: (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

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