In the suit, filed Thursday in Los Angeles Superior Court, Elizabeth Mazzocchi alleged intentional and negligent transmission of a sexually transmitted disease, assault, battery and breach of oral contract, TMZ.com reported Friday.
The suit alleged Morales knew he had herpes and never told Mazzocchi.
Morales and his representative were not available for comment.
Benedict Cumberbatch's dramatic reading of R. Kelly lyrics is just what you need
Jordana Brewster on Paul Walker: 'He was an enormous presence in my life'