Annuaire PHP 'sites_inscription.php' Cross Site Scripting Vulnerability

This host is running Annuaire PHP and is prone to cross site scripting vulnerability.
Successful exploitation will allow the attackers to execute arbitrary HTML and script code in a user's browser session in the context of a vulnerable site. Impact Level: Application
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.
The flaw is due to an input passed via the 'url' and 'nom' parameters to 'sites_inscription.php' page is not properly verified before it is returned to the user.
Annuaire PHP