MegaBBS 'upload.asp' Cross-Site Scripting Vulnerability

Bugtraq ID:	27368
Class:	Input Validation Error
CVE:	CVE-2008-0436
Remote:	Yes
Local:	No
Published:	Jan 21 2008 12:00AM
Updated:	May 07 2015 05:33PM
Credit:	Doz is credited with the discovery of this vulnerability.
Vulnerable:	PD9 Software MegaBBS 1.5.14b
Not Vulnerable:	PD9 Software MegaBBS 2.2

MegaBBS 'upload.asp' Cross-Site Scripting Vulnerability

MegaBBS is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code 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.

MegaBBS 1.5.14b is vulnerable; other versions may also be affected.

MegaBBS 'upload.asp' Cross-Site Scripting Vulnerability

An attacker can exploit this issue by enticing an unsuspecting user to follow a malicious URI.

The following proof-of-concept URI is available:

http://www.example.com/path/profile-upload/upload.asp?target=code

MegaBBS 'upload.asp' Cross-Site Scripting Vulnerability

Solution:
Users can upgrade to MegaBBS 2.2 to address this issue. Please see the references for more information.

MegaBBS 'upload.asp' Cross-Site Scripting Vulnerability

References:

• Homepage (PD9 Software)
  
• MegaBBS ASP Forum Cross-Site Scripting ([email protected])