bugtraq - [eVuln] MyBB 'Avatar URL' XSS Vulnerability

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Date: 2 Aug 2006 10:18:01 -0000
From: alex@...ln.com
To: bugtraq@...urityfocus.com
Subject: [eVuln] MyBB 'Avatar URL' XSS Vulnerability

New eVuln Advisory:
MyBB 'Avatar URL' XSS Vulnerability
http://evuln.com/vulns/132/summary.html

--------------------Summary----------------
eVuln ID: EV0132
Vendor: MyBB Group
Vendor's Web Site: http://www.mybboard.com/
Software: MyBB
Sowtware's Web Site: http://www.mybboard.com/
Versions: 1.1.6 and earlier
Critical Level: Moderate
Type: Cross-Site Scripting
Class: Remote
Status: Unpatched. No reply from developer(s)
PoC/Exploit: Available
Solution: Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)

-----------------Description---------------
Every user has an ability to edit his avatar URL. Avatar URL is not properly sanitized. This can be used to post arbitrary web script code using 'Tab' symbol.

--------------PoC/Exploit----------------------
Available at: http://evuln.com/vulns/132/exploit.html

--------------Solution---------------------
Solution is available at vendors web site:

Upgrade you copy of MyBB to the 1.1.7 version.

http://www.mybboard.com/

--------------Credit-----------------------
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)


Regards,
Aliaksandr Hartsuyeu
http://evuln.com - Penetration Testing Services