In the 2012–2013 season, Pogorilaya made her ISU Junior Grand Prix debut. After taking bronze in Croatia, her first event, she then won gold at the JGP event in Germany. She qualified for the JGP Final in Sochi, where she won the bronze medal. At the Russian Championships, Pogorilaya placed fifth in her senior debut and sixth on the junior level. She took the bronze medal at the 2013 World Junior Championships in Milan, with teammates Elena Radionova and Yulia Lipnitskaya taking the gold and silver medals respectively.