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

2025-12-17 23:41

Strategic Overview

Status

Patched in 3.18.1

Affected PluginHummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN

Affected Version<= 3.18.0

CVSS7.5High

CVECVE-2025-14437

View all Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 3.18.1, or a newer patched version --- IDENTIFIER: CWE-532 (Insertion of Sensitive Information into Log File) The product writes sensitive information to a log file.

External References

https://www.cve.org/CVERecord?id=CVE-2025-14437 https://www.wordfence.com/threat-intel/vulnerabilities/id/8755ab3f-ee77-44ea-8620-590f1f1cb333

CVSS Vector

7.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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