Komšić was born in Kiseljak, in Bosnia and Herzegovina. She debuted in Zagreb in 2013. As of 2020, she has 13 FIS wins (8 in slalom, 3 in giant slalom, 1 in super G, and 1 in alpine combined). In FIS Alpine World Ski Championships 2013 she won 36th place in downhill, and 47th place in slalom.