WordPressプラグイン「Post Views Stats Counter」にクロスサイトスクリプティング（XSS）の脆弱性（CVE-2026-97347）
概要
WordPressプラグイン「Post Views Stats Counter」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 1.1.7 以前に影響があります。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-97347 WF-086a8577-eb23-4e05-8ff6-7bbfef62d25c |
|---|---|
| 脆弱性の種類 | クロスサイトスクリプティング（XSS） |
| 危険度 | 高 |
| CVSSスコア |
7.2（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
| 公開日 | 2026年9月29日 |
| 更新日 | 2026年9月30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「Post Views Stats Counter」 |
1.1.7 以前 | — | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「Post Views Stats Counter」の提供元が公開している最新情報を確認し、公式の最新版へ更新してください。
情報元の原文
Wordfence Intelligence
Post Views Stats Counter <= 1.1.7 - Unauthenticated Stored Cross-Site Scripting via User-Agent Header
The Post Views Stats Counter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via User-Agent Header in all versions up to, and including, 1.1.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The plugin's only input filter is a substring blacklist for known bot signatures (e.g. 'bot', 'spider', 'crawler'), which can be trivially bypassed by crafting a User-Agent payload that omits those strings.
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