Bug: InstantForum.NET Multiple Cross-Site Scripting Vulnerability ( Ascii Version )

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InstantForum.NET Multiple Cross-Site Scripting Vulnerability

Published
Credit
Risk
2007.01.22
Doz
Low
CWE
CVE
Local
Remote
N/A
CVE-2007-0302
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

InstantForum.NET Multiple Cross-Site Scripting Vulnerability

ASP.NET based discussion forum. Full administration, WYSIWYG editor, Permission based forum access, Assign forum
moderators, VS.NET solution available. InstantForum.NET is the most comprehensive, high performance ASP.NET & SQL
Server discussion forum solution available allowing you to easily set-up, customize and maintain demanding online
communities or internal collaboration environments.

Hackers Center Security Group (http://www.hackerscenter.com)

Credit: Doz

Risk: Medium
vendor: www.instantasp.co.uk

Class: Cross-Site Scripting
Remote: Yes

Version: InstantForum.NET v4.1.0
Exploit: An attacker can exploit these issues via a web client.

XSS example:

http://www.site.com/Forums-Path/Logon.aspx?SessionID=[xss]
http://www.site.com/Forums-Path/Members1.aspx?Username=[xss]
http://www.site.com/Forums-Path/Members1.aspx?Update=[xss]

An attacker may leverage this issue to have arbitrary script code execute in the browser of an unsuspecting user in the
context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other
attacks.

See this note in TXT Version

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Ascii Version