Provide references for CVE-2021-36520.
Where can I find more information about CVE-2021-36520?
References are available at: https://sourceforge.net/p/trainsmart/code/HEAD/tree/code/, https://www.go2itech.org/resources/trainsmart/, http://packetstormsecurity.com/files/171731/itech-TrainSmart-r1044-SQL-Injection.html.