It depends. I don't slut shame people or judge them but if a girl is putting it out there how many guys she's been with, how much she likes sex, and tells me too many details about sexual encounters especially early on then it's a turn off. I don't think it's cool for a guy to act like that either.
Generally as long as a girl is clean and doesn't have a kid then I could care less, but having a kid doesn't mean one is promiscuous. There's just a fine line between being sexually active and acting overly sexual.
Clean and doesn't cheat are the basic requirements aren't they? It depends. Promiscuity itself isn't a bad thing but if she got a heart like a swinging brick I don't think it'll be wise for someone to fully invest in her when she might change her mind a few months later , wasted time , wasted effort , wasted dreams. It's about taking calculated risks and the numbers just don't add up on this one.
If you asked me few months ago I'd say yes, now that I met a few of those I'd say no. There is always some kind of drama involved with them, and they almost always have some issues I couldnt live with.