Silverware Games is a premium social network where people can play games online. When using the Recovery form, a noticeably different amount of time passes depending of whether the specified email address presents in our database or not. This has been fixed in version 1.3.7.
https://github.com/mesosoi/silverwaregames-io-issue-tracker/security/advisories/GHSA-9684-6j5x-ccx9