From Pathfinder Dark Archive (Remastered), which isn't enabled.

Mirror Door

HAZARD -1

Stealth +5

Description The reflection of a wall shows a phantom door where none exists. This door can only be manipulated while viewed through the mirror's reflection.

Disable DC 18 Thievery to open the door while viewing the reflection

Appear (arcane, illusion)

Trigger A creature views the wall through a mirror's reflection

Effect A door appears in the mirror's reflection of the wall. The triggering creature can open and manipulate this door only as long as they view it through the mirror and only by succeeding at a DC 18 Thievery check to disable the trap.

Reset The trap resets when the door is shut.

Pathfinder Dark Archive (Remastered)ORC