Loophole

http://www.express.co.uk/news/uk/628298/Migrants-exploiting-passport-loophole-jetting-into-UK-and-there-s-NOTHING-we-can-do

"Migrants exploiting 'passport loophole' jetting into UK - and there's NOTHING we can do

COUNTLESS Moldovan migrants have been flown into the UK by a budget airline since October due to a passport loophole - and there's NOTHING the EU can do.

Moldova is not in the EU, but any citizen who can get hold of a passport from neighbouring member state Romania is free to travel and work in the UK.
It is very easy for Moldovans to gain Romanian citizenship due to the historical social links between the two countries, with family ties going back generations.
In fact, a sole great-grandparent from Romania is enough for a Moldovan to gain citizenship and free entry to the UK.

Three flights a week packed with Moldovan migrants using Romanian passports have been running between the capital Chisinau and Luton Airport since October.
There are now nearly 140,000 Romanians living in the UK, with many thought to be Moldovan nationals exploiting the loophole. ......................"

Is it proper to call it a "loophole"?