Exponent CMS 'index.php' Cross Site Scripting Vulnerability

Bugtraq ID:	72274
Class:	Input Validation Error
CVE:	CVE-2015-1177
Remote:	Yes
Local:	No
Published:	Jan 22 2015 12:00AM
Updated:	Jan 22 2015 12:00AM
Credit:	Sudhanshu Chauhan
Vulnerable:	Exponent Exponent CMS 2.0.5 Exponent Exponent CMS 2.0.4 Exponent Exponent CMS 2.0 Exponent Exponent CMS 0.97 alpha Exponent Exponent CMS 0.96.6 Exponent Exponent CMS 0.96.5 Exponent Exponent CMS 2.0.0 beta 1.1 Exponent Exponent CMS 0.97-GA20090213 Exponent Exponent CMS 0.96.6 Alpha Exponent Exponent CMS 0.96.5 RC1
Not Vulnerable:

Exponent CMS 'index.php' Cross Site Scripting Vulnerability

Exponent CMS 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 let the attacker steal cookie-based authentication credentials and launch other attacks.

Exponent 2.3.2 is vulnerable; other versions may also be affected.

Exponent CMS 'index.php' 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/exponent/index.php?controller=search&src=f324e�><img%20src%3da%20onerror%3dalert(1)>9cbae6bf552&action=search&search_string=test&int=%0d

Exponent CMS 'index.php' Cross Site Scripting Vulnerability

Solution:
Reportedly, the issue is fixed; however, Symantec has not confirmed this. Please contact the vendor for more information.

Exponent CMS 'index.php' Cross Site Scripting Vulnerability

References:

• CVE-2015-1177-xss-exponent (Sudhanshu Chauhan)
  
• Exponent CMS Homepage (Exponent)
  
• Exponent CMS Project Page (SourceForge)