Fix - CORS allowing undesired origins #45
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Regex mode allowed undesired domains to perform cross-origin requests, by simply satisfying the regex corresponding to the authorized origin.
For instance, if the authorized origin (i.e. the web app) was
https://my.website.com, cross-origin requests could be sent fromhttps://my.website.com.mischievo.us, or evenhttps://myawebsite.com.