Skip to content
A detailed explainer is available in Japanese. Read the Japanese explainer
Critical 9.1

WP Booking Systemにメモ削除の脆弱性、修正版あり

CVE-2026-116557 First seen on SecPulse

Summary

WordPressの予約プラグインWP Booking Systemに、Subscriber権限のユーザーが予約カレンダーのメモを消せる脆弱性が公表されました。該当版を使うサイトは修正版へ更新し、登録ユーザーの状況も確認してください。

AI summary

Produced by SecPulse using an external AI model; it may contain mistakes. Check the original description and references below before acting on it.

WordPressの予約プラグインWP Booking Systemに、Subscriber権限のユーザーが予約カレンダーのメモを消せる脆弱性が公表されました。該当版を使うサイトは修正版へ更新し、登録ユーザーの状況も確認してください。

Affected packages

EcosystemPackageAffectedFixed
murgroland WP Booking System – Booking Calendar
≤ 2.1.0.5
—
Original description The description as published by the source.

The WP Booking System - Booking Calendar plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the wpbs_action_ajax_calendar_remove_note() function in versions up to, and including, 2.1.0.5 This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary calendar notes belonging to any calendar.

Source: CVE.org (CVE Program・cvelistV5) NVD GitHub Advisory

References

We use cookies for analytics and ad measurement. This setting applies to all Game co., Ltd. sites. Details