This indicates an attacker attempted an SQL Injection attack against the Softbiz Resource Repository Script.
Softbiz Resource Repository Script contains a flaw that may allow an attacker to carry out SQL injection attacks. The flaw is in the "showcats.php" script not properly sanitizing user-supplied input to the "sbcat_id" variable. A successful exploit can allow an attacker to execute SQL queries against the database.
Softbiz Resource Repository Script 1.1.
Compromise of the Database.
Apply appropriate patch from the vendor or upgrade to non-vulnerable version if available.