كتاب الصلاة
2  
The Book of Prayer
Bulugh al-Maram 302
Narrated Ibn 'Abbas (RA):
The Prophet (ﷺ) used to say between the two prostrations: "Allahumma ighfir li, warhamni, wahdini, wa 'afini, warzuqni (O Allah, forgive me, have mercy on me, guide me, grant me health and well-being, and provide sustenance for me)." [Reported by al-Arba'a except An-Nasa'i, and this is the wording of Abu Dawud. Al-Hakim graded it Sahih (authentic)].
وَعَنْ اِبْنِ عَبَّاسٍ ‏-رَضِيَ اَللَّهُ عَنْهُمَا‏- أَنَّ اَلنَّبِيَّ ‏- صلى الله عليه وسلم ‏-كَانَ يَقُولُ بَيْنَ اَلسَّجْدَتَيْنِ : { اَللَّهُمَّ اِغْفِرْ لِي , وَارْحَمْنِي , وَاهْدِنِي , وَعَافِنِي , وَارْزُقْنِي } رَوَاهُ اَلْأَرْبَعَةُ إِلَّا النَّسَائِيُّ , وَاللَّفْظُ لِأَبِي دَاوُدَ , وَصَحَّحَهُ اَلْحَاكِمُ .‏ 1
Reference : Bulugh al-Maram 302
In-book reference : Book 2, Hadith 302
English translation : Book 2, Hadith 300
Hadith Text
Reference