Career
He plays as a holding midfielder. Cubero made his professional debut for Herediano on 26 March 2006 against Santacruceña and had a spell on loan at Puntarenas in 2009. He signed a three-year contract extension with Herediano in April 2013.
On 31 July 2014, Cubero signed for Championship side Blackpool on a one-year contract with the option of a further twelve months.
He made his Blackpool debut on September 27 in a 3-1 home defeat to Norwich City. In August 2015 it was claimed that Blackpool had snubbed an offer for Cubero from Master of Library Science club Seattle Sounders and that they had activated a 12-month extension to his contract.
He participated in the 2007 Fédération internationale de football association U-20 World Cup held in Canada. Cubero made his senior debut for Costa Rica in an August 2010 friendly match against Paraguay and has, as of April 2014, earned a total of 34 caps, scoring 2 goals.