Sunan an-Nasa'i 1249
سنن النسائي#1249Da'ifIt was narrated 'Abdullah bin Ja'far that :The Messenger of Allah (ﷺ) said: "Whoever has doubt during his prayer, let him prostrate twice after he said the taslim
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahDaif
Al-AlbaniDaif
Zubair Ali ZaiHasan
In-book reference: 13:71