CVE-2023-24373: WordPress Booking calendar, Appointment Booking System plugin <= 3.2.3 - Bypass vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-03 · updated 2026-06-17
Weakness: CWE-472

Description

External Control of Assumed-Immutable Web Parameter vulnerability in WpDevArt Booking calendar, Appointment Booking System allows Manipulating Hidden Fields.This issue affects Booking calendar, Appointment Booking System: from n/a through 3.2.3.

Affected products

wpdevart Booking calendar, Appointment Booking System: before 3.2.4 — fixed in 3.2.4

How to fix

Upgrade to a fixed version: wpdevart Booking calendar, Appointment Booking System 3.2.4. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/booking-calendar/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-3-bypass-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/booking-calendar/wordpress-booking-calendar-appointment-booking-system-plugin-3-2-3-bypass-vulnerability?_s_id=cve

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