What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-18 · updated 2026-10-01
• Weakness: CWE-532

Description

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.

Affected products

• wpmudev Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defe: through 3.18.0

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

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