ViArt CMS 'admin_articles.php' Cross Site Scripting Vulnerability

Summary
This host is running ViArt CMS and is prone to cross site scripting vulnerability.
Impact
Successful exploitation will allow attacker 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. 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 caused by improper validation of user-supplied input via the 's' parameter to 'admin/admin_articles.php' that allows the attackers to execute arbitrary HTML and script code in a logged-in user's browser session in context of an affected site.
Affected
ViArt CMS Version 3.6
References