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Category:   Application (Generic)  >   vlbook Vendors:   vlab.info
vlbook Input Validation Hole in Message Field Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1016379
SecurityTracker URL:  http://securitytracker.com/id/1016379
CVE Reference:   CVE-2006-3260   (Links to External Site)
Updated:  May 9 2009
Original Entry Date:  Jun 26 2006
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 1.02
Description:   A vulnerability was reported in vlbook. A remote user can conduct cross-site scripting attacks.

The message field does not properly filter HTML code from user-supplied input before displaying the input. A remote user can submit specially crafted text 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 vlbook 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.

Omnipresent reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the vlbook 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.
Vendor URL:  vlbook.com/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  vlbook 1.2 XSS Bug

vlBook 1.02 Advisory

====================


Date:

-----


2005 June 23


Product:

--------




Vendor:

-------


http://vlab.info/


Descriptions:

-------------


The vlbook is a free, open source and light-weight guestbook written in PHP using flat files to store messages

and settings. It comes with install script for quick and effortless installation. Features include a WYSIWYG Editor, 

template based skins, multilingual support, avatars packs and more.


Exploit(s)/Vulnerability(ies):

------------------------------


- XSS Vulnerability -


This product is vulnerable to an XSS Attack. The variable message is not properly sanitised before being used; so a malicious

people can inject arbitrary XSS code.


PoC 0f XSS:

-----------


If an attacker put in the field "Message*:" this code:


<script>alert("XSS ATTACK")</script>


Further information:

--------------------




Vendor Status:

--------------


Informed but I've not received the reply.


Credits:

--------

Omnipresent

omnipresent@email.it

 
 


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