phpBB Custom mass PM Module 'username' Parameter Cross Site Scripting Vulnerability

Bugtraq ID:	49351
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Aug 27 2011 12:00AM
Updated:	Aug 27 2011 12:00AM
Credit:	Silic0n
Vulnerable:	phpBB Group Custom mass PM 1.4.7
Not Vulnerable:

phpBB Custom mass PM Module 'username' Parameter Cross Site Scripting Vulnerability

The Custom mass PM module for phpBB is prone to a cross-site scripting vulnerability because it 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 allow the attacker to steal cookie-based authentication credentials and to launch other attacks.

Custom mass PM 1.4.7 is vulnerable; other versions may also be affected.

phpBB Custom mass PM Module 'username' Parameter Cross Site Scripting Vulnerability

Attackers can exploit this issue by enticing an unsuspecting victim to follow a malicious URI.

phpBB Custom mass PM Module 'username' Parameter 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 are aware of more recent information, please mail us at: [email protected].

phpBB Custom mass PM Module 'username' Parameter Cross Site Scripting Vulnerability

References:

• Custom mass PM Homepage (phpBB)
  
• phpBB Homepage (PhpBB)