Outlets occasionally get damaged or crack. Once discovered, then the outlet should be replaced.
Safety – both fire and electrical shock
When an outlet is damaged there is always a concern that children playing may touch the outlet or stick something in it. Adults can likewise be injured should they touch it.
The other concern with a cracked or damaged outlet is that of fire.
Replacement is easy and inexpensive.
Who to consult? An electrician or qualified handyman.
Damaged outlets are inexpensive and easy to replace. Since it is a safety issue, it would be wise to replace broken and damaged outlets as soon as possible.