A Unity UI button being behind a MRTK/HTK button causes user interactions (gaze/highlight and clicks) to be received by the Unity UI button preventing the MRTK/HTK button from being usable. It seems ...
However, when drawElement renders a link into a Canvas2D context using its visited-state color, the canvas's pixel data (accessed via getImageData()) reveals that color. As a result, an attacker could ...