WordPressプラグイン「Redux Framework」にクロスサイトスクリプティング（XSS）の脆弱性（CVE-2026-5410）
概要
WordPressプラグイン「Redux Framework」にクロスサイトスクリプティング（XSS）の脆弱性が確認されました。
バージョン 4.5.13 以前に影響があります。
修正版 4.5.14 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-5410 WF-116c57c2-6257-40b3-a838-194f8959be16 |
|---|---|
| 脆弱性の種類 | クロスサイトスクリプティング（XSS） |
| 危険度 | 中 |
| CVSSスコア |
6.4（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| 公開日 | 2026年9月18日 |
| 更新日 | 2026年9月19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「Redux Framework」 |
4.5.13 以前 | 4.5.14 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「Redux Framework」を修正版 4.5.14 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
Redux Framework <= 4.5.13 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Spinner Field Input
The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the spinner field in versions up to, and including, 4.5.13 This is due to insufficient input sanitization and output escaping. In the user_meta_save() function scalar values bypass the sanitization logic that only processes arrays, allowing the spinner field value to be stored in user meta without proper sanitization. Later, at line 56 of class-redux-spinner.php in the render() function, this value is rendered in an unquoted HTML attribute without escaping via '$data_string .= ' data-val=' . $this->value;'. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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