Shaykh Ibn ‘Uthaymeen was asked:
Some women often tell their relatives and friends about things that are said at home and their marital relationships with their husbands, and some of these things are secrets of the house that the husbands do not want anyone to know about. What is the ruling on the women who disclose these secrets and tell them to people outside the household or to some members of the household? He replied:
“What some women do of telling their relatives and friends about things that are said at home and their marital relationships is haraam.
It is not permissible
for a woman to disclose the secrets of her household or her relationship with her husband to anyone.
Allaah, may He be exalted, says (interpretation of the meaning):
‘Therefore the righteous women are devoutly obedient (to Allaah and to their husbands), and guard in the husbands absence what Allaah orders them to guard’
And the Prophet (blessings and peace of Allaah be upon him) stated that:
‘The worst of people in status before Allaah on the Day of Resurrection will be a man who was intimate with a woman, and she was intimate with him, then he discloses her secrets.’”
[Fataawa Islaamiyyah (3/211, 212)]