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Testing OAuth Client Weaknesses
Passed 21 of 23 test cases with the skill, and 15 of 23 without it.
and 3 more in the full report
6 fixed15 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.
When an OAuth state manager tracks state parameter validity in a user session, what maximum time window should be enforced before expiring the generated state token?
| Checked | Without skill | With skill |
|---|---|---|
| The response specifies a maximum state token lifetime threshold of 300 seconds. | Missed | Passed |
The instructions your model reads when the skill loads.
WSTG-AUTHZ-05.2
Testing OAuth Client Weaknesses
OAuth clients (also known as relying parties) are applications that use OAuth to access protected resources on behalf of users. Client-side vulnerabilities can lead to token theft, account takeover, and unauthorized access. This test focuses on identifying weaknesses in how the client application handles OAuth flows, stores tokens, validates responses, and protects against common attack vectors.
| Vulnerability | Description |
|---|---|
| Insecure token storage | Tokens in localStorage |
| Missing state validation | CSRF vulnerability |
| Token in URL | Referrer leakage |
| Missing PKCE | Authorization code interception |
| Open redirect | redirect_uri manipulation |
| XSS token theft | JavaScript access to tokens |
test cases passed, vs 15 / 23 without
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