WordPressプラグイン「Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN」にコードインジェクションの脆弱性（CVE-2026-19224）
概要
WordPressプラグイン「Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN」にコードインジェクションの脆弱性が確認されました。
バージョン 3.21.2 未満に影響があります。
修正版 3.21.2 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-19224 WF-348419e3-2a4a-4e57-84b0-06e82e3333d4 |
|---|---|
| 脆弱性の種類 | コードインジェクション |
| 危険度 | 高 |
| CVSSスコア |
7.2（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| 公開日 | 2026年9月4日 |
| 更新日 | 2026年9月9日 |
影響を受ける製品
| 製品 | 影響を受けるバージョン | 修正版 | 出典 |
|---|---|---|---|
| WordPressプラグイン「Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN」 |
3.21.2 未満 | 3.21.2 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN」を修正版 3.21.2 またはそれ以降の公式最新版へ更新してください。
情報元の原文
Wordfence Intelligence
Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN < 3.21.2 - Authenticated (Administrator+) Remote Code Execution
The Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN plugin for WordPress is vulnerable to Remote Code Execution in all versions up to 3.21.2. This is due to insufficient validation of user supplied input before it is executed. This makes it possible for authenticated attackers, with administrator-level access and above, to execute arbitrary code on the server.
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