Flatpress < 1.3 - Path Traversal

criticalseverity

9.8CVSS score

3.6%likelihood of exploitation, next 30 days

90%of all CVEs are less likely

Readycheck to confirm it

Path Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.

Impact

Unauthenticated attackers can exploit path traversal to access and list sensitive directories and files in the FlatPress blogging system, potentially exposing configuration files and user data.

Fix

Update FlatPress to version 1.3 or later that properly validates directory paths and prevents unauthorized directory listing in fp-content.

How to confirm it

Send: GET {{BaseURL}}/fp-content/ ; GET {{BaseURL}}/flatpress/fp-content/
Positive when: status_code == 200 and contains(body, "<title>Index of /fp-content</title>")

Run it with nuclei: nuclei -id CVE-2023-0947 -u <target>

The full check

id: CVE-2023-0947

info:
  name: Flatpress < 1.3 - Path Traversal
  author: r3Y3r53
  severity: critical
  description: |
    Path Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.
  impact: |
    Unauthenticated attackers can exploit path traversal to access and list sensitive directories and files in the FlatPress blogging system, potentially exposing configuration files and user data.
  remediation: |
    Update FlatPress to version 1.3 or later that properly validates directory paths and prevents unauthorized directory listing in fp-content.
  reference:
    - https://huntr.dev/bounties/7379d702-72ff-4a5d-bc68-007290015496/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-0947
    - https://github.com/flatpressblog/flatpress/commit/9c4e5d6567e446c472f3adae3b2fe612f66871c7
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-0947
    cwe-id: CWE-22
    epss-score: 0.03637
    epss-percentile: 0.89654
    cpe: cpe:2.3:a:flatpress:flatpress:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: flatpress
    product: flatpress
    shodan-query:
      - http.favicon.hash:-1189292869
      - http.html:"flatpress"
    fofa-query:
      - body="flatpress"
      - icon_hash=-1189292869
  tags: cve,cve2023,huntr,lfi,flatpress,listing,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/fp-content/"
      - "{{BaseURL}}/flatpress/fp-content/"

    stop-at-first-match: true
    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "<title>Index of /fp-content</title>")'
        condition: and

References

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