bugtraq - HTB22938: Multiple XSS in Universal Post Manager wordpress plugin

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Message-Id: <201104190823.p3J8NJ7c011464@htbridge.ch>
Date: Tue, 19 Apr 2011 10:23:19 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: HTB22938: Multiple XSS in Universal Post Manager wordpress plugin

Vulnerability ID: HTB22938
Reference: http://www.htbridge.ch/advisory/multiple_xss_in_universal_post_manager_wordpress_plugin.html
Product: Universal Post Manager wordpress plugin
Vendor: ProfProjects ( Artyom Chakhoyan ) ( http://www.profprojects.com/ ) 
Vulnerable Version: 1.0.9
Vendor Notification: 05 April 2011 
Vulnerability Type: XSS (Cross Site Scripting)
Risk level: Medium 
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ ) 

Vulnerability Details:
The vulnerability exists due to failure in the "/wp-content/plugins/universal-post-manager/template/email_screen_1.php" script to properly sanitize user-supplied input in "num" variable then register_qlobals is on.
User can execute arbitrary JavaScript code within the vulnerable application.
Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.
The following PoC is available:

[code]
http://[host]/wp-content/plugins/universal-post-manager/template/email_screen_1.php?unit=1&num=%27%29%3E%3Cscript%3Ealert%28%22XSS%22%29;%3C/script%3E
[/code]

The vulnerability exists due to failure in the "/wp-content/plugins/universal-post-manager/template/bookmarks_slider_h.php" script to properly sanitize user-supplied input in "number" variable then register_qlobals is on.
The following PoC is available:

[code]
http://[host]/wp-content/plugins/universal-post-manager/template/bookmarks_slider_h.php?number=%3Cscript%3Ealert%28%22XSS%22%29;%3C/script%3E
[/code]

The vulnerability exists due to failure in the "/wp-content/plugins/universal-post-manager/template/email_screen_2.php" script to properly sanitize user-supplied input in "num" variable then register_qlobals is on.
The following PoC is available:

[code]
http://wordpress/wp-content/plugins/universal-post-manager/template/email_screen_2.php?unit=1&num=%22%3E%3Cscript%3Ealert%28%22XSS%22%29;%3C/script%3E
[/code]