No, since 2008, the Hungarian vignette system has been fully replaced by the e-vignette (e-matrica). Stickers are no longer used, the license plate of the registered vehicle is electronically registered in the Hungarian toll system.
You can order your Hungarian e-vignette now comfortably here.
Related articles:
Which roads require a Hungarian e-vignette?
What vehicles need a Hungarian motorway vignette?
How is the Hungarian motorway vignette checked?
Do I need a payment receipt or print-out of the Hungarian vignette?