Provide references for CVE-2021-45821.
Where can I find more information about CVE-2021-45821?
References are available at: https://github.com/btiteam/xbtit-3.1/blob/master/ajaxchat/getHistoryChatData.php, https://emaragkos.gr/infosec-adventures/xbtit-3-1-sql-njection/, https://github.com/btiteam/xbtit-3.1/issues/6.