Helios Calendar Admin/Index.PHP Cross Site Scripting Vulnerability

Bugtraq ID:	26312
Class:	Input Validation Error
CVE:	CVE-2007-5952
Remote:	Yes
Local:	No
Published:	Nov 02 2007 12:00AM
Updated:	Nov 20 2007 11:24PM
Credit:	Ivan Sanchez and Maximiliano Soler are credited with the discovery of this vulnerability.
Vulnerable:	Refresh Web Development Helios Calendar 1.2 Refresh Web Development Helios Calendar 1.1.5 Refresh Web Development Helios Calendar 1.1.4 Refresh Web Development Helios Calendar 1.2.1 Beta
Not Vulnerable:

Helios Calendar Admin/Index.PHP Cross Site Scripting Vulnerability

Helios Calendar is prone to a cross-site scripting vulnerability because it fails to sufficiently sanitize user-supplied data.

Exploiting this issue allows attackers to execute arbitrary HTML or script code in a user's browser session in the context of an affected site. This may allow the attacker to steal cookie-based authentication credentials and launch other attacks.

This issue affects Helios Calendar 1.2.1 Beta; other versions may also be affected.

Helios Calendar Admin/Index.PHP Cross Site Scripting Vulnerability

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

The following proof-of-concept URI is available:

http://www.example.com/calendar/admin/index.php?msg=1&username=[XSS]

Helios Calendar Admin/Index.PHP Cross Site Scripting Vulnerability

Solution:
The vendor has released an update to address this issue. Contact the vendor for details on obtianing and applying the appropriate updates.

Helios Calendar Admin/Index.PHP Cross Site Scripting Vulnerability

References:

• Admin Console Security Issue (Helios Calendar)
  
• Helios Calendar Homepage (Refresh Web Development)