Thread:Sannse/@comment-5951231-20150705220136/@comment-1038387-20150705224710

Take it to Special:Contact. They don't need permission, but they do need attribution. And if they refuse to do that, staff can do something.

But if they attribute... yeah, you're screwed. SEO-wise, it's not that big of a problem, though. You're the original, you still should get highest billing.