Spread carpenter s glue onto a 3 8 inch diameter x 1 inch long wood dowel and tap it into the hole until it s flush with the jamb.
Hinge dowel hole cracks door.
If the screw holes seem stripped out or the screws don t fit tight enough when you screw the hinges back onto the door inject some glue into the holes.
Touch tch 11306 series 3 4 full overlay soft close concealed kitchen cabinet door hinges frameless face frame with plastic dowels 50 pairs 100 pcs face frame 4 2 out of 5 stars 24 219 99 219.
Bore out and plug each of the remaining stripped screw holes the same way.
Since you say that the wood under the hinge and around the hinge screw holes has split and gone soft it pays to check the wood of the door jamb adjacent to the hinge mount location as well.
If the wood there is not sound then you are likely looking forward to some more serious repair such as replacement of the jamb side board or the whole jamb.
The wrong way is a temporary fix not cool.
This method puts the top of the dowel flush with the surface of the hinge mortise.
Pound some small dowels into the holes.
Then reposition the hinge leaf and bore 1 8 inch diameter pilot holes.
I use oak dowels apposed to pine.
Wait at least an hour.
After drilling a hole to accommodate the dowel and applying glue to both the hole and the dowel use another dowel of a larger diameter to set the smaller dowel into the hole.
Finish by securing the hinge by driving screws into the dowel reinforced holes.
Fix it the right way not the wrong way.
If the attachment plate needs to be closer or farther from the edge of the door plug the existing screw holes with short pieces of wooden toothpicks and wood glue then redrill in the right.