An access token may end up in the browser history if a client or a web site that already has a token deliberately navigates to a page like provider.com/get_user_profile?access_token=abcdef.
OAuth 2.0 Security Best Current Practice (draft 25) (SecBCP, section 4.3.2)
This threat is considered fully mitigated if all the test cases from the following test set succeed.
The impact factor is a measure that indicates how important a given countermeasure is towards mitigating a threat.
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