The Nigerian international netted for only the second time this season as the Reds earned a 2-0 victory against the Championship side in the fourth round.
"I just want to kick on from here and try to get a few more goals in the second half of the season," he told the club's official website. "It's crucial for me and the club as well.
"We knew it wasn't going to be an easy game for us. They were a good side. But we came here to make it difficult for them, and we got the early goal."
Moses is currently on a season-long loan at Liverpool from Chelsea.