There was also late drama for Cliftonville who needed Corrigan’s late effort to book their place in the next round against Championship side Bangor.
Dungannon Swifts, who won the trophy in 2018, survived a scare against Premier Intermediate Side Dollingstown but ran out 3-1 winners.
Kyle McGuiggan put the third-tier side ahead at Stangmore Park before Andrew Mitchell equaised in the 68th minute.
John McGovern turned the game around 10 minutes later before James Knowles made sure of the win in injury-time.
Ballymena United secured a quarter-final berth thanks to Donal Rocks, who netted early at the Showgrounds to edge the Sky Blues past Ards.
Annagh United also booked their place in the next round with a comfortable 2-0 victory at home to Queen’s Univeristy, who had stunned Carrick Rangers in the first round.
Kenny Ximines opened the scoring in the first half before Jack Hastings secured the win.
The draw for both the last eight and semi-finals will take place on Wednesday at 15:00 GMT.
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