Possible attack vector through use of .Contains()?

[ryanwilliams83]

Please consider if it would be possible to abuse the use of .Contains() when verifying the RedirectUri
https://github.com/Shoogn/OAuth20Server/blob/dev/Server/src/OAuth20.Server/Services/AuthorizeResultService.cs#L95

I'm thinking about a scenarios such as &redirectUri=https://hackers-are-us.com/pwned/?foo=https://my-legit-domain.com/oauth/callback

PS. I love you work and I'm going to start using this server in my Unit Tests.