I am using dnn 7.4.2 version and my testing team raised cross site posting (XSS) issues. Since most of the default modules and telerik support has been deprecated in 8.x versions of dnn, upgrading is not a better option for me. Is there any alternate way for solving XSS? Also, can we change the cs file and create my own version with security patches needed for my application? If yes, then kindly guide me how.
Note : I am new to DNN and am not aware of many basic things. Kindly bare and guide me through.
Thanks in advance,