The midfielder, who celebrates his 20th birthday today, joined the League One side in July on a temporary deal until the end of 2019-20.
And Woodburn has seized his opportunity under Karl Robinson, making 10 league appearances, scoring one goal and assisting four, though a foot injury is set to rule him out until the New Year.
He told the Mail: “I have learned so much at Oxford this season, knowing I am able to play 90 minutes and keep fighting for the team.