HaCkeR_EgY has reported a vulnerability in 68 Classifieds, which can be exploited by malicious people to conduct SQL injection attacks.

Input passed to the "cat" parameter in category.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation allows e.g. retrieving administrator usernames and password hashes.

The vulnerability is reported in version 4.0.1. Prior versions may also be affected.

Solution
Update to version 4.0.2.

Provided and/or discovered by
HaCkeR_EgY

Changelog
Further details available to Secunia VIM customers

Original Advisory
68 Classifieds:
http://www.68classifieds.com/forums/showthread.php?p=23778

HaCkeR_EgY:
http://milw0rm.com/exploits/5626

Deep Links
Links available to Secunia VIM customers