2001 Jeep Cherokee Driver's seat occasionally slips

Hello all,

recently my 01' Jeep Grand Cherokee Limited driver's seat began to slip slightly when taking off from a complete stop. It is the leather seat with electronic controls. It sort of feels like its coming off the track or anything. This is one of about 10 problems I have had with this vehicle, and I can't fix all of them. BUT, this one seems like it could eventually be a safety concern if it gets worse. Any idea what the problem is and how much it will cost me?

Thank you in advance!