CVE-2025-14437
Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
The Hummingbird Performance plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.18.0 via the 'request' function. This makes it possible for unauthenticated attackers to extract sensitive data including Cloudflare API credentials.
| CWE | CWE-532 |
| Vendor | wpmudev |
| Product | hummingbird performance – cache & page speed optimization for core web vitals | critical css | minify css | defer css javascript | cdn |
| Published | Dec 18, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
wpmudev / Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN
0 ≤ 3.18.0
References
Credits
ISMAILSHADOW