Jami` at-Tirmidhi 1977
جامع الترمذي#1977SahihAbdullah narrated that the Messenger of Allah said:"The believer does not insult the honor of others, nor curse, nor commit Fahishah, nor is he foul
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan
Zubair Ali ZaiHasan
In-book reference: 27:83