CVE-2025-14437

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

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

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

CVSS v3.1 WORDFENCE

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

EPSS

1.92% chance of exploitation in the next 30 days, 80th percentile

Nuclei

high · CWE-532

Published

2025-12-18

Updated

2026-04-08

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-14437.yaml

References

• CVE Record
• NVD entry