CVE-2026-16143
VikRentItems Flexible Rental Management System に報告された脆弱性
概要
The VikRentItems – Flexible Rental Management System plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the customer email field of the booking checkout form in versions up to, and including, 1.2.1. This is due to insufficient input sanitization and output escaping in the saveorder() function, which stores the raw email value via VikRequest::getString() (applying only sanitize_text_field(), which does not neutralize HTML attribute-breaking characters such as double quotes), and in the editorder template which echoes the stored custmail value into an HTML input element's value attribute without esc_attr(). This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
影響を受けるバージョン
- 0以上 〜 1.2.1以下
対処方法
VikRentItems Flexible Rental Management System を 1.2.2 以降に更新してください。これで本脆弱性は解消します。
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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/vikrentitems/tags/1.2.1/admin/views/editorder/tmpl/default.php#L499
- https://plugins.trac.wordpress.org/browser/vikrentitems/tags/1.2.1/site/controller.php#L389
- https://plugins.trac.wordpress.org/changeset/3617300/vikrentitems/trunk/admin/views/editorder/tmpl/default.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/197760d1-395d-4dfb-aaa7-5fc5fc0a1ecb?source=cve