Information disclosure in Wpmudev Hummingbird Performance – Cache & Page Speed Optimization For Core Web Vitals | Critical CSS Minify Defer JavaScript Cdn
CVE-2025-14437
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.019 (79.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: -0.000
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-14437?
- CVE-2025-14437 is a high-severity vulnerability in Wpmudev Hummingbird Performance – Cache & Page Speed Optimization For Core Web Vitals | Critical CSS Minify Defer JavaScript Cdn, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2025-12-18.
- How severe is CVE-2025-14437?
- High severity. CVSS v3 base score is 7.5 out of 10.