Sunan Abi Dawud 21
سنن أبي داود#21Sahihحَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنْ مُجَاهِدٍ، عَنِ ابْنِ عَبَّاسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم بِمَعْنَاهُ قَالَ " كَانَ لاَ يَسْتَتِرُ مِنْ بَوْلِهِ " . وَقَالَ أَبُو مُعَاوِيَةَ " يَسْتَنْزِهُ " .
Narrated Ibn 'Abbas: A tradition from the Prophet (sal Allaahu alayhi wa sallam ) conveying similar meaning. The version of Jarir has the wording : "he did not cover himself while urinating." The version of Abu Mu'awiyah has the wording: "he did not safeguard himself (from urine)
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 1:21