CVE-2025-14437

Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File

CVSS 7.5 HIGHEPSS 2.0%CWE-532

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

wpmudev · Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN

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References

https://plugins.trac.wordpress.org/changeset/3421187/hummingbird-performance https://www.wordfence.com/threat-intel/vulnerabilities/id/8755ab3f-ee77-44ea-8620-590f1f1cb333?source=cve