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Cardiff's Juan Cala celebrates before discovering that his goal was disallowed for offside
An independent commission may be asked to rule on Cardiff's complaint that their team line-up was leaked to Crystal Palace.
The Premier League is investigating an official complaint, with the BBC reporting that Cardiff have argued the 3-0 result on April 5 in Palace's favour should not stand.
League chiefs will decide whether the complaint should be taken forward - it is understood there remains uncertainty about whether any regulation would have been breached even if proven.
If the complaint is taken forward it is likely to be dealt with by an independent commission.
Cardiff winger Craig Noone looks set to miss the rest of this season after suffering an abdominal injury.
Noone, who joined Cardiff from Brighton in 2012, was hurt during last Saturday's 3-0 Barclays Premier League home defeat against Crystal Palace.
Steven Caulker accepts that Cardiff have got a mountain to climb in their quest for Barclays Premier League survival.
The Welsh club look destined to make a quickfire Championship return, with their plight underlined by a 3-0 home defeat to Crystal Palace last Saturday.
– Cardiff captain Steven Caulker.
Staying in the Premier League is all the motivation we need. There is no other.
We have to show more fight than we did against Palace. We have to draw confidence now from those games we've had this season where we have played well.
We are going to have to find some form and a little bit of luck along the way, too. That would not go amiss.
We've got some tough, tough games coming up now. We can't deny that. We do have a mountain to climb.