MKPortal PMPopup.PHP Cross-Site Scripting Vulnerability

Bugtraq ID:	20232
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 27 2006 12:00AM
Updated:	Sep 29 2006 05:10PM
Credit:	HanowarS is credited with the discovery of this vulnerability.
Vulnerable:	MKPortal MKPortal 1.0.1 Final MKPortal MKPortal 1.1 RC1
Not Vulnerable:

MKPortal PMPopup.PHP Cross-Site Scripting Vulnerability

MKPortal is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied input.

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.

MKPortal 1.1 R1 and previous versions are vulnerable; other versions may also be affected.

MKPortal PMPopup.PHP Cross-Site Scripting Vulnerability

To exploit this issue, an attacker must entice an unsuspecting victim into following a malicious URI.

The following proof-of-concept URI is available:

• /data/vulnerabilities/exploits/20232.html

MKPortal PMPopup.PHP Cross-Site Scripting Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected]:[email protected].

A third-party fix is available. Symantec has not confirmed the integrity of this fix.

Please see the references for more information.

MKPortal PMPopup.PHP Cross-Site Scripting Vulnerability

References:

• MKPortal Homepage (MKPortal)
  
• Third Party Fix from: [email protected]: Re: xxs in MKPortal M1.1] (SourceCode)
  
• MkPortal Cross Site Scripting (All versions) xSS ([email protected])
  
• Re: xxs in MKPortal M1.1 (Codesource)