Maytag top freezer refrigerator leaking water. I have a Maytag refrigerator that has just started

Question

I have a Maytag refrigerator that has just started leaking water underneath. I have checked the defrost plastic tub in the back of the refrig and it appears to be fine. I found a plug for the icemaker but can't find where the plug goes. The icemaker is not hooked up. Could that be the problem?
Thank you for your help.