CVE-2022-1463

HIGH

Booking Calendar < 9.1 - Insecure Deserialization

Title source: rule

Description

The Booking Calendar plugin for WordPress is vulnerable to PHP Object Injection via the [bookingflextimeline] shortcode in versions up to, and including, 9.1. This could be exploited by subscriber-level users and above to call arbitrary PHP objects on a vulnerable site.

References (1)

[Exploit, Third Party Advisory] https://www.wordfence.com/blog/2022/04/php-object-injection-in-booking-calendar-plugin/

Scores

CVSS v3 8.8

EPSS 0.0108

EPSS Percentile 77.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-502

Status published

Affected Products (1)

booking_calendar_project/booking_calendar < 9.1

Timeline

Published May 10, 2022

Tracked Since Feb 18, 2026