DotNetNuke PayPal IPN 'paypalipn.aspx' Cross-Site Scripting Vulnerability

Bugtraq ID:	34484
Class:	Input Validation Error
CVE:	CVE-2009-1366
Remote:	Yes
Local:	No
Published:	Apr 01 2009 12:00AM
Updated:	Apr 29 2009 08:36PM
Credit:	DotNetNuke
Vulnerable:	DotNetNuke DotNetNuke 4.9.1 DotNetNuke DotNetNuke 4.9 DotNetNuke DotNetNuke 4.8.4 DotNetNuke DotNetNuke 4.8.3 DotNetNuke DotNetNuke 4.8.2 DotNetNuke DotNetNuke 4.8.1 DotNetNuke DotNetNuke 4.3.5 DotNetNuke DotNetNuke 4.0
Not Vulnerable:	DotNetNuke DotNetNuke 4.9.3

DotNetNuke PayPal IPN 'paypalipn.aspx' Cross-Site Scripting Vulnerability

DotNetNuke 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.

The issue affects versions prior to DotNetNuke 4.9.3.

DotNetNuke PayPal IPN 'paypalipn.aspx' Cross-Site Scripting Vulnerability

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

DotNetNuke PayPal IPN 'paypalipn.aspx' Cross-Site Scripting Vulnerability

Solution:
The vendor has released an advisory and updates. Please see the references for more information.

DotNetNuke PayPal IPN 'paypalipn.aspx' Cross-Site Scripting Vulnerability

References:

• DotNetNuke Homepage (DotNetNuke)
  
• HTML/Script Code Injection Vulnerabilit (DotNetNuke)