Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: The fasting person has been permitted to have cupping done. The narrator of this hadith, Abdul Aziz, is weak.
Hadith Referenceسنن الدارقطني / كتاب الصيام / 2261
Hadith Takhrij«((أخرجه الدارقطني فى سننه برقم: 2261))»