Fluent Support – Helpdesk & Customer Support Ticket System に脆弱性 — CVE-2026-119213
いま何をすべきか
Fluent Support – Helpdesk & Customer Support Ticket System を 2.5.0 以降に更新してください。
影響を受けるバージョン
- 2.4.7 以下のすべて
対象: プラグイン「Fluent Support – Helpdesk & Customer Support Ticket System」(fluent-support)
何が起きるのか
The Fluent Support – Helpdesk & Customer Support Ticket System plugin for WordPress is vulnerable to unauthenticated modification of a linked customer's stored profile fields in versions up to, and including, 2.4.7 Its first-party Fluent Forms integration (FeedIntegration::notify()) opens a ticket from each public form submission and, for a logged-out submitter, resolves the submitted email to an existing WordPress account via get_user_by('email', ...) without verifying the submitter controls that address, then passes the attacker-supplied data to Customer::maybeCreateCustomer(). This makes it possible for unauthenticated attackers to overwrite a limited set of a registered customer's stored profile fields where an administrator has enabled a FluentSupport feed on a public form. The email address, role and status are never changed; first and last name are overwritten only when the target user has no name set in user meta; and other fields (title, address, city, state, zip, country) are writable only where an administrator has mapped them in the feed.
ここから先の選択肢
1. 自分たちで対応する
更新の手順、バックアップの取り方、壊れたときの戻し方をまとめています。
2. いまの制作会社・保守業者に頼む
Fluent Support – Helpdesk & Customer Support Ticket System を使っているかどうかを含めて確認を依頼してください。 無料診断を実行すると、そのまま渡せる依頼文を作れます。
3. 相談先がない・自分では難しい
連絡が取れる相手がいない、管理画面に入れない、侵入された疑いがある。 そうした場合はご相談ください。
出典
- https://plugins.trac.wordpress.org/browser/fluent-support/tags/2.4.5/app/Models/Customer.php#L126
- https://plugins.trac.wordpress.org/browser/fluent-support/tags/2.4.5/app/Services/Integrations/FluentForm/FeedIntegration.php#L335
- https://plugins.trac.wordpress.org/browser/fluent-support/tags/2.4.5/app/Services/Integrations/FluentForm/FeedIntegration.php#L358
- https://plugins.trac.wordpress.org/changeset/3780020/fluent-support/trunk/app/Services/Integrations/FluentForm/FeedIntegration.php
- https://wordpress.org/plugins/fluent-support/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5aea4f76-053d-4ce4-ae8c-7c01d7727718?source=cve