Geeklog Forum Plugin Anonymous Usernames Cross Site Scripting Vulnerability

Bugtraq ID:	39873
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	May 03 2010 12:00AM
Updated:	May 03 2010 12:00AM
Credit:	Jaloh Smith
Vulnerable:	Geeklog Forum Plugin 2.7.2
Not Vulnerable:	Geeklog Forum Plugin 2.7.3

Geeklog Forum Plugin Anonymous Usernames Cross Site Scripting Vulnerability

The Forum plugin for Geeklog 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.

Versions prior to Forum 2.7.3 are vulnerable.

Geeklog Forum Plugin Anonymous Usernames Cross Site Scripting Vulnerability

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

Geeklog Forum Plugin Anonymous Usernames Cross Site Scripting Vulnerability

Solution:
The vendor has released update. Please see the references for details.


Geeklog Forum Plugin 2.7.2

• Geeklog forum_2.7.3_1.4.1.zip
  http://www.geeklog.net/filemgmt/upload_dir/forum_2.7.3_1.4.1.zip

Geeklog Forum Plugin Anonymous Usernames Cross Site Scripting Vulnerability

References:

• Forum plugin 2.7.3 security fix (Geeklog)
  
• Geeklog Homepage (Geeklog)