Osclass Item Model Item.php findUserItems sql injection

{
                    "vendor": "n/a",
                    "product": "Osclass",
                    "versions": [
                        {
                            "version": "8.3.0",
                            "status": "affected"
                        },
                        {
                            "version": "8.3.1",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:osclass:osclass:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Item Model Handler"
                    ]
                }