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Category:   Application (Forum/Board/Portal)  >   XMB Forum Vendors:   Xmbforum.com
XMB Forum Input Validation Hole in 'Your Current Mood' Field in the 'member.php' Script Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1015237
SecurityTracker URL:  http://securitytracker.com/id/1015237
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Nov 18 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): 1.9.2 Nexus, 1.9.3 Nexus
Description:   A vulnerability was reported in XMB Forum. A remote user can conduct cross-site scripting attacks.

The 'member.php' script does not properly filter HTML code from user-supplied input in the 'Your Current Mood' field 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 XMB Forum 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.

A remote user can supply a specially crafted URL to cause the system to display an error message that discloses the installation path and other system data. A demonstration exploit URL is provided:

http://[target]/XMB/Files/post.php?action=newthread&fid=PATH

trueend5 discovered this vulnerability.

The original advisory is available at:

http://irannetjob.com/content/view/163/28/

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

Message History:   None.


 Source Message Contents

Subject:  [KAPDA::#13] - XMB HTML Injection & Path Disclosure.

[KAPDA::#13] -  XMB (extreme message board) HTML
Injection & Path Disclosure.

KAPDA New advisory
Vendor: http://www.xmbforum.com
Bug: HTML Injection & Path Disclosure
Exploitation: Remote with browser

Description:
--------------------
XMB is a free message board powered by PHP and MySQL.

Vulnerability:
--------------------
HTML Injection: The software does not properly filter
HTML tags in member.php ["Your Current Mood" field] at
the time of registeration (/member.php?action=reg)
that may allow a remote user to inject HTML/javascript
codes. The hostile code may be rendered in the web
browser of the victim user who will visit the
board.(persistent)
For example: >> Your Current Mood:
<script>alert(document.cookie)</script>
Vulnerable Versions:  XMB 1.9.3 Nexus (Final) , XMB
1.9.2 Nexus  & also all versins
Path Disclosure:A remote user can supply a specially
crafted URL to cause the system to display an error
message that
discloses the installation path and other data.
Demonstration URL :
http://localhost/XMB/Files/post.php?action=newthread&fid=PATH
Vulnerable Version:  XMB 1.9.2 Nexus

Solution:
--------------------
There is no vendor-supplied patch for this issue at
this time.
Note: the security patch that released by vendor is
for another vulnerability

Original advisory:
--------------------
http://irannetjob.com/content/view/163/28/

Credit :
--------------------
Discovered & released by trueend5 (trueend5 kapda ir)
Security Science Researchers Institute Of Iran
[http://www.KAPDA.ir]




	
		
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