wp-call-now-button-fpd: WordPress Call Now Button - Full Path Disclosure

2026-01-16 WordPress Call Now Button PoC Public

Description

WordPress Plugin Call Now Button files are publicly accessible without ABSPATH protection, exposing sensitive server path information through PHP error messages when accessed directly.

PoC

id: wp-call-now-button-fpd

info:
  name: WordPress Call Now Button - Full Path Disclosure
  author: DhiyaneshDk
  severity: low
  description: |
    WordPress Plugin Call Now Button files are publicly accessible without ABSPATH protection, exposing sensitive server path information through PHP error messages when accessed directly.
  reference:
    - https://wordpress.org/plugins/call-now-button/
  metadata:
    verified: true
    max-request: 1
    publicwww-query: "/plugins/call-now-button"
  tags: wp,wordpress,wp-plugin,fpd,call-now-button,misconfig,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/call-now-button/call-now-button.php"
      - "{{BaseURL}}/wp-content/plugins/call-now-button/src/renderers/noop/class-nooprenderer.php"

    stop-at-first-match: true

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body, "Fatal error", "Uncaught Error") || contains_all(body, "Warning:", "failed to open stream")'
          - 'status_code == 200 || status_code == 500'
          - 'contains(body, "call-now-button")'
        condition: and
# digest: 4a0a0047304502202ca7de7a7091f551b9fe54986eb2aeb91c374f12947a4370eb52d54fa6cf4d23022100cf839ed503af1014253152535f17173a0d84383a2ea46ff76cc945f73cb1b6cc:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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