nuclei-templates/http/vulnerabilities/generic/cors-misconfig.yaml at main · projectdiscovery/nuclei-templates · GitHub

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id: cors-misconfig

info:
  name: CORS Misconfiguration
  author: nadino,g4l1t0,convisoappsec,pdteam,breno_css,nodauf,amirmsafari
  severity: info
  reference:
    - https://portswigger.net/web-security/cors
    - https://portswigger.net/web-security/ssrf/url-validation-bypass-cheat-sheet
    - https://www.corben.io/advanced-cors-techniques/
    - https://www.geekboy.ninja/blog/exploiting-misconfigured-cors-cross-origin-resource-sharing/
  classification:
    cwe-id: CWE-346,CWE-942
  metadata:
    max-request: 29
  tags: cors,generic,misconfig,vuln

http:
  - raw:
      - |
        GET  HTTP/1.1
        Host: {{Hostname}}
        Origin: {{cors_origin}}

    payloads:
      cors_origin:
        - "https://{{tolower(rand_base(5))}}{{RDN}}" # Arbitrary domain
        - "http://{{tolower(rand_base(5))}}{{RDN}}" # Arbitrary domain
        - "https://{{tolower(rand_base(5))}}.com" # Arbitrary domain
        - "https://{{FQDN}}.{{tolower(rand_base(5))}}.com" # Arbitrary domain
        - "https://{{FQDN}}{{tolower(rand_base(5))}}.com" # Arbitrary domain
        - "https://localhost.{{tolower(rand_base(5))}}.com" # Localhost regex implementation edge case
        - "http://localhost.{{tolower(rand_base(5))}}.com" # Localhost regex implementation edge case over http
        - "http://s{{RDN}}" # Unencrypted domain ends with
        - "https://{{FQDN}}_.{{tolower(rand_base(5))}}.com" # Arbitrary domain
        - "https://{{FQDN}}%60.{{tolower(rand_base(5))}}.com" # Arbitrary domain
        - "https://{{FQDN}}.$.{{tolower(rand_base(5))}}.com" # Firefox and Safari allows $ as subdomain
        - "https://{{FQDN}}.~.{{tolower(rand_base(5))}}.com" # Safari allows ~ as subdomain
        - "https://{{FQDN}}.=.{{tolower(rand_base(5))}}.com" # Safari allows = as subdomain
        - "https://{{FQDN}}.+.{{tolower(rand_base(5))}}.com" # Firefox and Safari allows + as subdomain
        - "https://{{FQDN}}.&.{{tolower(rand_base(5))}}.com" # Safari allows & as subdomain
        - "https://{{FQDN}}.*.{{tolower(rand_base(5))}}.com" # Safari allows * as subdomain
        - "https://{{FQDN}}.).{{tolower(rand_base(5))}}.com" # Safari allows ) as subdomain
        - "https://{{FQDN}}.(.{{tolower(rand_base(5))}}.com" # Safari allows ( as subdomain
        - "https://{{FQDN}}.'.{{tolower(rand_base(5))}}.com" # Safari allows ' as subdomain
        - "https://{{FQDN}}.!.{{tolower(rand_base(5))}}.com" # Safari allows ! as subdomain
        - "https://{{FQDN}}.;.{{tolower(rand_base(5))}}.com" # Safari allows ; as subdomain
        - "https://{{FQDN}}.,.{{tolower(rand_base(5))}}.com" # Safari allows , as subdomain
        - "https://{{FQDN}}.-.{{tolower(rand_base(5))}}.com" # Arbitrary domain
        - "https://{{FQDN}}._.{{tolower(rand_base(5))}}.com" # Arbitrary domain
        - "null" # null origin
        - "https://{{tolower(rand_base(5))}}.{{RDN}}" # Arbitrary subdomain
        - "http://{{tolower(rand_base(5))}}.{{RDN}}" # Arbitrary subdomain over http
        - "https://{{replace(FQDN,'.','a')}}" # Replace . by a random character to abuse if regex is used
        - "http://{{replace(FQDN,'.','a')}}" # Replace . by a random character to abuse if regex is used
    stop-at-first-match: true
    matchers:
      - type: dsl
        name: arbitrary-origin
        dsl:
          - "contains(tolower(header), 'access-control-allow-origin: {{cors_origin}}')"
          - "contains(tolower(header), 'access-control-allow-credentials: true')"
        condition: and
# digest: 4a0a00473045022005a88b03bd4197b5f9e41f3ec44c71a301b68c562d6511eaabf37caf5bb37bf20221008ffe5914781d2cecceca9867e3a2719f325ea0cc34fa4d0cf5832c69baa9aa68:922c64590222798bb761d5b6d8e72950