It is narrated from Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) that Sayyiduna Ali (may Allah be pleased with him) sent a man to the Messenger of Allah (peace and blessings be upon him) to ask about the ruling on madhi (pre-seminal fluid), and he did not consider it proper to ask himself because of his relationship to Sayyidah Fatimah (may Allah be pleased with her). The man said: "O Messenger of Allah! A man sees a woman on the road and madhi comes out of him; is a ritual bath (ghusl) obligatory on him?" He (peace and blessings be upon him) said: "That is a condition that virile young men do encounter; ablution (wudu) is sufficient for you in that."
Imam al-Tabarani (may Allah have mercy on him) said: "No one narrated this hadith from Abu Harun except Muhammad bin Thabit, and it is narrated from Sayyiduna Abu Sa'id (may Allah be pleased with him) only with this chain."
Hadith Referenceالمعجم الأوسط / باب الميم / 7870
Hadith Gradingمحدثین:إسناده ضعيف لضعف أبي هارون العبدي
Hadith Takhrij«قال الهيثمي: فيه أبو هارون العبدي وأجمعوا على ضعفه «مجمع الزوائد ومنبع الفوائد، ج 1، ص 284»» «قال ابن عدي: لا أعلم يرويه عن أبي هارون غير محمد بن ثابت «الكامل في الضعفاء، ج 7، ص 311»»