WordPressプラグイン「WP User Manager – Registration Form, Login Form, User Profile Builder & Member Directory」に認可の欠如の脆弱性（CVE-2026-18345）
概要
WordPressプラグイン「WP User Manager – Registration Form, Login Form, User Profile Builder & Member Directory」に認可の欠如の脆弱性が確認されました。
バージョン 2.9.18 以前に影響があります。
修正版 2.9.19 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-18345 WF-ecae11ec-c952-4f5a-9e55-e2ac2fa05100 |
|---|---|
| 脆弱性の種類 | 認可の欠如 |
| 危険度 | 中 |
| CVSSスコア |
4.3（CVSS v3.1） CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| 公開日 | 2026年9月21日 |
| 更新日 | 2026年9月22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「WP User Manager – Registration Form, Login Form, User Profile Builder & Member Directory」 |
2.9.18 以前 | 2.9.19 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「WP User Manager – Registration Form, Login Form, User Profile Builder & Member Directory」を修正版 2.9.19 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
WP User Manager <= 2.9.18 - Missing Authorization to Authenticated (Subscriber+) Stripe Account Hijack via Stripe Connect Callback
The WP User Manager plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the Connect::complete() function in versions up to, and including, 2.9.18. The function is registered on the admin_init hook (which fires for every authenticated user that reaches /wp-admin/, including Subscribers) and performs no current_user_can() or nonce verification before fetching Stripe credentials from the external WPUM connect service and writing them (publishable key, secret key, gateway mode, and connected Stripe account ID) into the wpum_settings option via wpum_update_option()/update_option(). This makes it possible for authenticated attackers, with Subscriber-level access and above, to hijack the site's Stripe integration by completing their own Stripe Connect OAuth flow and then invoking the callback on the target site, causing all subsequent Stripe payments to be routed to the attacker's Stripe account.
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