source: http://www.securityfocus.com/bid/45497/info

Social Share is prone to an SQL-injection vulnerability because the application fails to properly sanitize user-supplied input before using it in an SQL query.

A successful exploit could allow an attacker to compromise the application, access or modify data, or exploit vulnerabilities in the underlying database. 

http://www.example.com/socialshare/postview.php? postid=-1 union select 1,2,3,4,5,6,7,8,9,10# 