Wax ring is leaking. Wasn't thick enough to begin with, bolts were not tightened down enough, bolts broke or rusted off, flange the bolts hook into broke, floor rotted from another leak and let the toilet rock and break the seal on the wax ring. Could be any one of these or two combined.
Usually, the wax seal has to be replaced. There is a possibility your toliet has a crack, but I would pull the toilet and replace the wax seal.
Your wax seal has gone bad.You'll have to replace it.It takes about an hour and you need to take your time to do it right.
usally a line stoppage
It can stink if it is not flushed or it is dirty. In some cases, there could be a leak at the base, and the standing water around the toilet has an odor.
Wouldn't that depend on the type of toilet valve and where the leak is coming from that would dictate the type of repair?
No.
A leak.
Check for a leak at the wax ring of the toilet. This leak will migrate out, on the surface or under the surface of the floor. Check for a leak in the wall in the back of the vanity (the vanity may have to be removed). A slow leak in a wall is likely to be the DWV system, not water.
The wax ring is just to seal the toilet to the drain. It has no effect on the flushing.
The two common causes for a toilet tank hose leak are the threads and the hose itself. Turn the water off, unscrew the hose, and wrap the threads with Teflon tape available at any hardware store. Reconnect the hose and turn the water back on. It it still leaks, consider replacing the hose as it may have a hole in it.
many toilet papers!!!
A defective flush valve causes the leak in toilets. A flush valve is a flap or ball plunger device that is supposed to act as a stopper in the bottom of the toilet tank. So to fix your toilet and save water, get any professional plumber to repair the valve or complete replacement kit . alliedallcityinc.com
There's a leak in the pipe.
Dye testing