Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File
| CVE | CVE-2025-14437 |
|---|---|
| CVSS | 7.5 (High) |
| Publicly Published | December 17, 2025 |
| Last Updated | December 18, 2025 |
| Researcher |
ISMAILSHADOW
|
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.
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Vulnerability Details for Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN
| Software Type | Plugin |
|---|---|
| Software Slug | hummingbird-performance (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.18.1, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log | CVE-2026-83627 | Kuba | September 4, 2026 | |
| 2 | Hummingbird <= 3.9.1 - Missing Authorization | CVE-2024-43118 | Rafie Muhammad | August 7, 2024 | |
| 3 | Hummingbird <= 3.9.1 - Cross-Site Request Forgery | CVE-2024-43117 | Rafie Muhammad | August 7, 2024 | |
| 4 | Hummingbird <= 3.7.3 - Missing Authorization | CVE-2024-32792 | Peng Zhou | April 22, 2024 | |
| 5 | Hummingbird <= 3.4.1 - Unauthenticated Path Traversal | CVE-2023-1478 | Karol Mazurek (AFINE) | March 20, 2023 | |
| 6 | Hummingbird <= 3.3.1 - Admin+ Stored Cross-Site Scripting | CVE-2022-0994 | Taurus Omar | March 23, 2022 |
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