CVE-2026-119183
JetFormBuilder — Dynamic Blocks Form Builder に報告された脆弱性
概要
The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '<form field mapped to a post meta key, e.g. lst_cost>' parameter in all versions up to, and including, 3.6.8 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. Exploitation requires the target site to have configured a public Insert Post form writing to a post meta key and a Calculated Field whose formula references that key via the %META::key% macro, after which a single unauthenticated POST is sufficient to persist the payload.
影響を受けるバージョン
- 0以上 〜 3.6.8以下
対処方法
JetFormBuilder — Dynamic Blocks Form Builder を 3.6.8.1 以降に更新してください。これで本脆弱性は解消します。
あなたのサイトは大丈夫ですか？
URLを入力するだけで、実際に使われているプラグインを検出し、 このデータベースと突き合わせて既知の脆弱性が残っていないかを確認できます。登録不要・無料です。
30秒で無料診断する参照
- https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/includes/blocks/render/calculated-field-render.php#L56
- https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/modules/actions-v2/insert-post/insert-post-action.php#L53
- https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/modules/actions-v2/insert-post/properties/post-meta-property.php#L157
- https://plugins.trac.wordpress.org/browser/jetformbuilder/tags/3.6.7/templates/fields/calculated-field.php#L31
- https://plugins.trac.wordpress.org/changeset/3788241/jetformbuilder/trunk/includes/blocks/render/calculated-field-render.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3b3d2e0d-ce2a-48cd-a36f-92979335fd71?source=cve