source: https://www.securityfocus.com/bid/54845/info

Dir2web is prone to multiple security vulnerabilities, including an SQL-Injection vulnerability and an information-disclosure vulnerability.

Successfully exploiting these issues allows remote attackers to compromise the software, retrieve information, modify data, disclose sensitive information, or gain unauthorized access; other attacks are also possible.

Dir2web versions 3.0 is vulnerable; other versions may also be affected. 

http://www.example.com/index.php?wpid=homepage&oid=6a303a0aaa' OR id > 0-- -