WordPressプラグイン「AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress」にパストラバーサルの脆弱性（CVE-2026-77807）
概要
WordPressプラグイン「AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress」にパストラバーサルの脆弱性が確認されました。
バージョン 11.0.4 以前に影響があります。
修正版 11.0.5 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-77807 WF-19a9b952-84db-4911-bb50-52d74ec01cb8 |
|---|---|
| 脆弱性の種類 | パストラバーサル |
| 危険度 | 高 |
| CVSSスコア |
7.5（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 公開日 | 2026年9月10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「AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress」 |
11.0.4 以前 | 11.0.5 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress」を修正版 11.0.5 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
AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter
The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 11.0.4 via the `user[name]` Parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires "Embed images" option in AcyMailing configuration being enabled.
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