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CVE-2026-12378

HIGH 8.1 CVSS 3.1
Published
July 8, 2026
Last modified
July 8, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin through 1.1.28 does not validate data before passing it to a PHP deserialization function, allowing unauthenticated attackers to inject arbitrary PHP objects; where a suitable gadget chain is present on the site this can be leveraged to achieve remote code execution.

Affected WordPress components

  • bookingpress-appointment-booking Plugin · bookingpress-appointment-booking
    Confirmed match Homeless
    Up to and including 1.1.28
    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

  • Unknown Appointment Booking Calendar Plugin and Scheduling Plugin — Up to and including 1.1.28

References

  • wpscan.com https://wpscan.com/vulnerability/eb3abb88-43c3-42a8-a8a8-2ad67d37e020/
  • nvd.nist.gov Official NVD record