IBOS del actionDel sql injection

A vulnerability, which was classified as critical, has been found in IBOS 4.5.5. Affected by this issue is the function actionDel of the file ?r=dashboard/approval/del. The manipulation of the argument id leads to sql injection. The exploit has been disclosed to the public and may be used. VDB-230690 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.