Surah An-Nur, ayah 23

إِنَّ ٱلَّذِينَ يَرۡمُونَ ٱلۡمُحۡصَنَٰتِ ٱلۡغَٰفِلَٰتِ ٱلۡمُؤۡمِنَٰتِ لُعِنُواْ فِي ٱلدُّنۡيَا وَٱلۡأٓخِرَةِ وَلَهُمۡ عَذَابٌ عَظِيمٞ ٢٣

Innal-ladhīna yarmūnal-muhsanātil-ghāfilātil-mu'mināti lu'inū fid-dunyā wal-ākhirati walahum 'adhābun 'azīm

Indeed, those who [falsely] accuse chaste, unaware and believing women are cursed in this world and the Hereafter; and they will have a great punishment