The website reports that Kubica attended the Blue Oval’s four-day test at the Circuit des Ecuyers in France last month where he joined factory drivers Jari-Matti Latvala and Petter Solberg.
While the Polish driver made his name in circuit racing - winning the 2008 Canadian Grand Prix in a BMW Sauber - he has always been a big fan of rallying and contested Rallye Monte-Carlo in 2010 driving a Renault Clio R3.
However, a crash on a national rally in Italy in February of last year while he was driving a Skoda Fabia Super 2000 left him with serious hand and arm injuries and he has not competed in a Formula One race since.
Kubica, 27, owns rally cars privately and is thought to have driven one since his crash. He also tested a private Ford Fiesta RS WRC before driving the works car in July.
Ford team principal Malcolm Wilson revealed nothing about the test, telling Autosport.com: “As you know, we had a four-day development test at a circuit in France, that’s all there is to it. It was a private test and I’m not prepared to comment further.”