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CVE-2026-107712

MEDIUM 6.5 CVSS 3.1
Published
October 10, 2026
Last modified
October 13, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-89
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

The WP Booking System – Booking Calendar plugin for WordPress is vulnerable to time-based SQL Injection via the 'current_month' parameter in all versions up to, and including, 2.1.0.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. This is a regression vulnerability — a capability check introduced in versions 2.0.19.11–2.0.19.14 to address CVE-2024-50425 was removed in version 2.1, meaning any authenticated subscriber-level account can reach the vulnerable handler with no nonce validation required.

Affected WordPress components

  • WP Booking System – Booking Calendar Plugin · wp-booking-system
    Confirmed match Active
    Up to and including 2.1.0.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • murgroland WP Booking System – Booking Calendar — Up to and including 2.1.0.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.1/includes/abstracts/abstract-class-object-db.php#L83
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.1/includes/base/admin/calendar/functions-actions-ajax-calendar.php#L44
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.1/includes/base/booking/class-object-db-bookings.php#L161
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.1/includes/base/calendar/functions.php#L341
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?old=3732620&old_path=%2Fwp-booking-system%2Ftrunk&new=&new_path=%2Fwp-booking-system%2Ftrunk
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3736389%40wp-booking-system%2Ftags%2F2.1.0.2&old=3732637%40wp-booking-system%2Ftags%2F2.1.0.1
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/7c2aba47-a1bf-448d-b5fb-9c9c86e43c98?source=cve
  • nvd.nist.gov Official NVD record