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Getting Shell on Point Of Sale (POS) Systems with Javascript

Getting Shell on Point Of Sale (POS) Systems with 2 Lines of Javascript I have worked at 2 restaurants before with a point-of-sale (POS) system. They are all in one PC’s that run the software used to place the orders for the guests that walk in. They look like this: Being someone who loves to take things apart and digitally explore everything, I thought I’d see if I could pop open a command prompt.