When a browser navigates to 'client.example/redirection_endpoint?code=abcd' as a result of a redirect from a provider's authorization endpoint, the URL including the authorization code may end up in the browser's history. An attacker with access to the device could obtain the code and try to replay it.
OAuth 2.0 Security Best Current Practice (draft 25) (SecBCP, section 4.3.1)
This threat is considered fully mitigated if all the test cases from one of the following test sets succeed.
The impact factor is a measure that indicates how important a given countermeasure is towards mitigating a threat.
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