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Category:   Application (Forum/Board/Portal)  >   QuickBlogger Vendors:   jlwebworks.net
QuickBlogger Input Validation Hole Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1014386
SecurityTracker URL:  http://securitytracker.com/id/1014386
CVE Reference:   CVE-2005-4785   (Links to External Site)
Updated:  May 25 2006
Original Entry Date:  Jul 5 2005
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 1.4 and prior versions
Description:   A vulnerability was reported in QuickBlogger. A remote user can conduct cross-site scripting attacks.

The software does not properly filter HTML code from user-supplied input in the 'Your Name' and 'Comments' sections. A remote user can submit specially crafted input that, when viewed by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the QuickBlogger 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 vendor was notified on June 11, 2005, without response.

Donnie Werner of exploitlabs discovered this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the QuickBlogger 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.
Solution:   No solution was available at the time of this entry.
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  [Full-disclosure] Quickblogger


------------------------------------------------------------
    - EXPL-A-2005-011 exploitlabs.com Advisory 040 -
------------------------------------------------------------
                                   - QuickBlogger -






AFFECTED PRODUCTS
=================
QuickBlogger 1.4 ( and earlier )
http://www.jlwebworks.net/



OVERVIEW
========
QuickBlogger is a freeware flatfile php blog script
 written to simplify updating your blog/website.




DETAILS
=======
1. XSS

Quickblog comments section does not properly filter
malicious script content. XSS my be inserted in the
author and comment body sections. The malicious script
is the rendered upon visitation and executed in the
context of the users brower.




POC
===

1.
------

insert script into the "your name" and or
the "comment" section.




SOLUTION:
=========
vendor contact:
webmaster@jlwebworks.net June 11, 2005
webmaster@jlwebworks.net June 21, 2005

no response recieved



Credits
=======
This vulnerability was discovered and researched by 
Donnie Werner of exploitlabs

Donnie Werner

mail:   wood at exploitlabs.com
mail:   morning_wood at zone-h.org
-- 
web: http://exploitlabs.com
web: http://zone-h.org

http://exploitlabs.com/files/advisories/EXPL-A-2005-011-quickblogger.txt
_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/

 
 


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