The Prophet ﷺ kissed her and did not perform ablution.
حدثنا محمد بن بشار حدثنا يحيى وعبد الرحمن قالا حدثنا سفيان عن أبي روق عن إبراهيم التيمي
أن النبي ﷺ قبلها ولم يتوضأ
No references are available.
[Hasan] Nasai reported it in "The Book of Purification," chapter on leaving wudu after a kiss, no. 170, from the hadith of Yahya bin Saeed Qattan with this wording. This hadith has corroborating narrations, see Nasb Raya 1/71,76 and Sunan Daraqutni 1/136.