Rush to judgment.
That is a process of accepting an unsubstantiated allegation as a fact.
A former Nevada lawmaker named Lucy Flores recently leveled an allegation against former Vice-President Joe Biden—a potential Democratic candidate for president—of inappropriate physical contact with her body. Specifically, Ms. Flores has informed the public that the former vice-president touched her in “an intimate way reserved for close friends, family, or romantic partners” by smelling her hair and placing an extended kiss on the top of her head.
This alleged misconduct occurred in 2014 during a campaign event in which she had elicited the political support of Biden who accommodated her request.