W-Agora 4.1.6 - 'a redir_url.php?key' SQL Injection

source: https://www.securityfocus.com/bid/11283/info

Multiple vulnerabilities are reported to affect the application. These issues arise due to insufficient sanitization of user-supplied data. A remote attacker may leverage these vulnerabilities to carry out SQL injection, cross-site scripting, and HTTP response splitting attacks.

These issues were identified in W-Agora 4.1.6a, however, it is possible that other versions are also affected.

redir_url.php?bn=demos_links&key=[SQL]