var net/http.errCrossOriginRequest
2 uses
net/http (current package)
csrf.go#L147: return errCrossOriginRequest
csrf.go#L174: errCrossOriginRequest = errors.New("cross-origin request detected from Sec-Fetch-Site header")
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)