A weakness has been identified in Osclass up to 8.3.1. Affected by this vulnerability is the function Item::findUserItems of the file oc-includes/osclass/model/Item.php of the component Item Model Handler. This manipulation of the argument sPattern causes sql injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.