Padurariu was included in the Canadian team for the 2018 World Artistic Gymnastics Championships in Doha, Qatar, where she helped Canada to its best-ever fourth place in the team event, and qualified in fifth place for the final on balance beam. In the beam final, she won silver with 14.100 points, behind Liu Tingting of China with 14.533 points and ahead of Simone Biles of the United States with 13.600 points. It was only the fourth worlds medal in the history of Canadian women's artistic gymnastics. Padurariu is also her country's second-ever world medalist on beam.