Appweb Web Server Cross Site Scripting Vulnerability

Bugtraq ID:	45568
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Dec 23 2010 12:00AM
Updated:	Dec 23 2010 12:00AM
Credit:	Gjoko Krstic
Vulnerable:	Embedthis Software Appweb 3.2.2-1
Not Vulnerable:	Embedthis Software Appweb 3.2.3

Appweb Web Server Cross Site Scripting Vulnerability

Appweb 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.

Appweb 3.2.2-1 is vulnerable; other versions may also be affected.

Appweb Web Server Cross Site Scripting Vulnerability

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

The following example URI is available:

http://www.example.com/ejs/%3Cscript%3Ealert%281%29%3C/script%3E

Appweb Web Server Cross Site Scripting Vulnerability

Solution:
Updates are available. Please see the reference for more details.

Appweb Web Server Cross Site Scripting Vulnerability

References:

• Appweb Homepage (Embedthis Software)
  
• Embedthis Appweb Web Server 3.2.2-1 (Ejscript) Remote XSS Vulnerability (Zero Science Lab)
  
• Stable Release - Appweb 3.2.3 (Embedthis Software)