gpEasy 'jsoncallback' Parameter Cross Site Scripting Vulnerability

Bugtraq ID:	53269
Class:	Input Validation Error
CVE:	CVE-2012-6513
Remote:	Yes
Local:	No
Published:	Apr 26 2012 12:00AM
Updated:	Mar 19 2015 07:35AM
Credit:	Jakub Galczyk
Vulnerable:	gpEasy gpEasy 2.3.3
Not Vulnerable:

gpEasy 'jsoncallback' Parameter Cross Site Scripting Vulnerability

gpEasy is prone to a cross-site scripting vulnerability because it fails to 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 launch other attacks.

gpEasy 2.3.3 is vulnerable; other versions may also be affected.

gpEasy 'jsoncallback' Parameter Cross Site Scripting Vulnerability

An attacker can exploit the issue by enticing an unsuspecting user to visit a specially crafted URL.

The following example URI is available:

http://www.example.com/index.php/Admin_Preferences?gpreq=json&jsoncallback=<h1>test<br>test2<%2fh1>

gpEasy 'jsoncallback' Parameter Cross Site Scripting Vulnerability

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

gpEasy 'jsoncallback' Parameter Cross Site Scripting Vulnerability

References:

• gpEasy Homepage (gpEasy)