WordPressプラグイン「User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor」にクロスサイトスクリプティング（XSS）の脆弱性（CVE-2026-107748）
概要
WordPressプラグイン「User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor」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 4.0.3 以前に影響があります。
修正版 4.0.4 への更新が推奨されます。
脆弱性の基本情報
| 脆弱性ID |
CVE-2026-107748 WF-2f466add-992b-46c7-a1cc-5c05d59f4bdf |
|---|---|
| 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10月15日 |
| 更新日 | 2026年10月16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「User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor」 |
4.0.3 以前 | 4.0.4 | Wordfence Intelligence |
推奨対応
- WordPressプラグイン「User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor」を修正版 4.0.4 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
User Profile Builder <= 4.0.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'display_name' Parameter
The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name' parameter in all versions up to, and including, 4.0.3 due to insufficient input sanitization and output escaping. 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. The payload persists in wp_comments.comment_author independently of the user account, so removing or changing the attacker's display name after the comment is posted does not neutralize the stored script.
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