Search Network 'search.php' Cross Site Scripting Vulnerability

Summary
This host is running Search Network and is prone to cross site scripting vulnerability.
Impact
Successful exploitation could allow execution of scripts or actions written by an attacker. In addition, an attacker may obtain authorisation cookies that would allow him to gain unauthorised access to the application. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
The flaw is due to failure in the 'search.php' script to properly sanitize user supplied input in 'action' and 'query' parameters.
Affected
Search Network version 2.0 and prior.
References