A Muslim man cursed 'Isa (peace and blessings be upon him) to anger a Christian who was cursing Muhammad (peace and blessings be upon him)!
Machine translationRead the Arabic original
The questioner:
He says: Honorable Shaykh, may Allah grant you success. A Muslim man debated a Christian, and the Christian cursed Muhammad (peace and blessings be upon him). So the Muslim stood up and cursed 'Isa (peace be upon him) to anger the Christian, not knowing that this is disbelief.
The Shaykh:
We seek refuge in Allah.
The questioner:
Is he excused for his ignorance, and what is required of him?
The Shaykh:
If he is ignorant, it is explained to him. It is explained to him that if he had intended it and done it deliberately, it would be disbelief. However, ignorance removes the charge of disbelief from him until it is explained to him. It is not permissible to curse the Prophets (peace and blessings be upon them). Yes.
He says: Honorable Shaykh, may Allah grant you success. A Muslim man debated a Christian, and the Christian cursed Muhammad (peace and blessings be upon him). So the Muslim stood up and cursed 'Isa (peace be upon him) to anger the Christian, not knowing that this is disbelief.
The Shaykh:
We seek refuge in Allah.
The questioner:
Is he excused for his ignorance, and what is required of him?
The Shaykh:
If he is ignorant, it is explained to him. It is explained to him that if he had intended it and done it deliberately, it would be disbelief. However, ignorance removes the charge of disbelief from him until it is explained to him. It is not permissible to curse the Prophets (peace and blessings be upon them). Yes.
Source
قناة «العلامة الدكتور صالح الفوزان»، [907 /1350] رجل مسلم سب عيسى ﷺ ليغيظ نصرانيا كان يسب محمدا ﷺ! الشيخ صالح الفوزان — youtube.com
The Arabic text is a machine transcription of the audio recording.