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

> Optimize PageSpeed Performance & Core Web Vitals, Advanced Cache, Minify CSS & JavaScript, Inline Critical CSS, Defer CSS & JS, Smush & Lazy Load, CDN

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-13 11:28 UTC.

## Facts (WordPress.org)

- Slug: `hummingbird-performance`
- Author: WPMU DEV - Your All-in-One WordPress Platform
- Version: 4.0.2
- Active installs: 70,000+
- Last update: 2026-11-09 (5 days ago)
- Tested up to: WordPress 7.1.4 (current: 7.1.4)
- Requires: WordPress 6.4, PHP 7.4
- Tags: cache, caching, Critical CSS, minify css, performance
- Page: https://wordpress.org/plugins/hummingbird-performance/

## Checks (against WordPress 7.1.4)

- OK: Updated 5 days ago.
- OK: Tested with WordPress 7.1.
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Slows pages ↔ Speeds up, Clashes ↔ Plays well, Flaky ↔ Reliable, Breaking ↔ Smooth, Behind ↔ Current, Heavy ↔ Light.

## Known vulnerabilities

- 2026-11-09 MEDIUM: Authenticated (Subscriber+) Stored Cross-Site Scripting (up to 3.21.2). CVE-2026-121763, https://www.wordfence.com/threat-intel/vulnerabilities/id/c1e7b324-fb3b-4816-82a4-7b9807a99e96?source=api-prod
- 2026-09-05 CRITICAL: Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log (up to 3.21.0). CVE-2026-83627, https://www.wordfence.com/threat-intel/vulnerabilities/id/65c3ca36-79e6-47f8-9524-27e7631f4caf?source=api-prod
- 2026-09-04 HIGH: Authenticated (Administrator+) Remote Code Execution (before 3.21.2). CVE-2026-19224, https://www.wordfence.com/threat-intel/vulnerabilities/id/348419e3-2a4a-4e57-84b0-06e82e3333d4?source=api-prod
- 2025-12-17 HIGH: Unauthenticated Sensitive Information Exposure via Log File (up to 3.18.0). CVE-2025-14437, https://www.wordfence.com/threat-intel/vulnerabilities/id/8755ab3f-ee77-44ea-8620-590f1f1cb333?source=api-prod
- 2024-08-07 MEDIUM: Cross-Site Request Forgery (up to 3.9.1). CVE-2024-43117, https://www.wordfence.com/threat-intel/vulnerabilities/id/4e03b0b9-861d-4909-8608-6378cd0b9176?source=api-prod
- 2024-08-07 MEDIUM: Missing Authorization (up to 3.9.1). CVE-2024-43118, https://www.wordfence.com/threat-intel/vulnerabilities/id/a68dac5d-b07b-40c1-aad1-73e2c8d0f927?source=api-prod
- 2024-04-22 MEDIUM: Missing Authorization (up to 3.7.3). CVE-2024-32792, https://www.wordfence.com/threat-intel/vulnerabilities/id/0bd35ef1-ed28-44db-a1f6-74bc83974c71?source=api-prod
- 2023-03-20 MEDIUM: Unauthenticated Path Traversal (up to 3.4.1). CVE-2023-1478, https://www.wordfence.com/threat-intel/vulnerabilities/id/d9b8e6dc-a9ac-4afb-ad47-4f51032bb1f4?source=api-prod
- 2022-03-23 MEDIUM: Admin+ Stored Cross-Site Scripting (before 3.3.2). CVE-2022-0994, https://www.wordfence.com/threat-intel/vulnerabilities/id/b6119481-f399-4bba-a824-1d7346e7e155?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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