The Brazilian ace spurned Premier League interest to complete a £40m move to the Parc des Prices earlier this year, but has struggled to match the level of expectation placed upon him in the French capital.
Despite helping PSG to claim the Ligue 1 title last term, he has struggled for playing time in the opining months of the current campaign, with eight of the games he has started ending prematurely on five occasions.
The 21-year-old is thought to be desperate to represent his nation at next year’s World Cup, which has opened the door for a January move.
The Parisians are not willing to sell, but may instead allow the youngster to leave on a short-term loan to satisfy his need for regular action and rediscover his best form.
Liverpool are thought to be at the front of the queue for his services, with Premier League sides currently in European competition aware that Moura will be ineligible for their continental campaigns for the remainder of the season.
Reds chief Brendan Rodgers is thought to have made a wide attacker one of his priorities heading into the winter window, and could look to swoop for the samba star as a solution for the remainder of the campaign.