WordPress Input Validation Flaw Lets Remote Authenticated Contributors and Authors Conduct Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1025029 |
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SecurityTracker URL: http://securitytracker.com/id/1025029
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Feb 8 2011
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Impact:
Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 3.0.5
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Description:
Some vulnerabilities were reported in WordPress. A remote authenticated user can conduct cross-site scripting attacks.
Several scripts do not properly filter HTML code from user-supplied input before displaying the input. A remote authenticated 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 title field in Quick/Bulk Edit is affected.
The tags meta box is affected.
A remote authenticated Author user may be able to obtain potentially sensitive information via the media uploader.
Nils Jueneman and Saddy reported some of these vulnerabilities.
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Impact:
A remote authenticated Contributor or Author 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 authenticated Author user may be able to obtain potentially sensitive information.
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Solution:
The vendor has issued a fix (3.0.5).
The vendor's advisory is available at:
http://wordpress.org/news/2011/02/wordpress-3-0-5/
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Cause:
Access control error, Input validation error
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Underlying OS:
Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Tue, 08 Feb 2011 04:00:16 +0000
Subject: Wordpress
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http://wordpress.org/news/2011/02/wordpress-3-0-5/
WordPress 3.0.5 (and 3.1 Release Candidate 4)
> Two moderate security issues were fixed that could have allowed a Contributor- or
> Author-level user to gain further access to the site.
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