Musannaf Ibn Abi Shayba 13:2041

22000 Abu Bakr narrated to us, he said: Ibn Numayr narrated to us, from Mujalid, from al-Sha'bi, from Abdullah, from the Prophet (may Allah bless him and grant him peace), he said: "The consumer of usury, the one who pays it, its scribe, and its two witnesses are cursed."