Student housing is offered by different organisations. Most only offer contracts for a year, but this is still a good place to start if you’re new to the city and the Netherlands as a whole. Find these options by searching “short stay student housing Maastricht”.
But the most comprehensive housing agency is Maastricht Housing. They are the official student housing platform of the university and their website is a great place to start your search . They have a broad range of different housing options for students. You can also rest assured that you won’t get scammed. If you want them to help you with your search, you must sign up and pay a one-time fee of 35€. This will grant you access to their vast range of offers.