PHP-Nuke 'sid' Parameter SQL Injection Vulnerability

Summary
The host is running PHP-Nuke and is prone to SQL injection vulnerability.
Impact
Successful exploitation will allow attacker to add, modify or delete data in the back end database. 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 input validation errors in the 'article.php' when processing user-supplied data in 'sid' parameter, which could be exploited by attackers to execute SQL code.
Affected
PHP-Nuke versions 5.6, 6.0, 6.5 RC1, 6.5 RC2, 6.5 RC3, 6.5
References