id: oauth2-detect info: name: OAuth 2.0 Authorization Server Detection Template author: righettod severity: info description: Try to detect OAuth 2.0 Authorization Server via the "oauth/token" endpoint metadata: max-request: 1 tags: tech,oauth http: - method: POST path: - "{{BaseURL}}/oauth/token" body: "grant_type=authorization_code&client_id=xxx&redirect_uri=https%3A%2F%2Fprojectdiscovery.io&code=xxx&client_secret=xxx" matchers-condition: and matchers: - type: status status: - 401 - 400 condition: or - type: word part: body words: - 'error":"invalid_client"' # digest: 490a00463044022014ec2d4e477e33d6cd477f7f92f6830c9e228ed10a0584b843314592d3deae1b02201c172998c5bb74b82ad36017dfa26f16336e66e820be39bdd9d0986563edc8d0:922c64590222798bb761d5b6d8e72950