Open Redirect Vulnerability in Doorkeeper::OpenidConnect

CVE-2019-9837 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:N

Doorkeeper::OpenidConnect (aka the OpenID Connect extension for Doorkeeper) 1.4.x and 1.5.x before 1.5.4 has an open redirect via the redirect_uri field in an OAuth authorization request (that results in an error response) with the 'openid' scope and a prompt=none value. This allows phishing attacks against the authorization flow.

Learn more about our Phishing Simulation.