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Threat Database
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Threat Entry
Updated 2026-10-10
Booking Calendar - Security Vulnerability (CVE-2026-18496)
The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 11.4.3 via the wpbc_is_show_popover_in_flex_timeline() function. This makes it possible for unauthenticated attackers to extract sensitive data including names, email addresses, and phone numbers of customers who have made bookings.
PLUGIN
Booking Calendar
CVE-2026-18496
Risk Score
Threat Entry
Updated 2026-10-08
Booking Calendar - Security Vulnerability (CVE-2026-105195)
The Booking Calendar WordPress plugin before 11.8.3 does not adequately restrict which options a lower-privileged user can load through one of its settings handlers, allowing users with the Editor role and above to disclose the values of arbitrary WordPress options, including core site configuration.
PLUGIN
Booking Calendar
CVE-2026-105195
Risk Score
Threat Entry
Updated 2026-10-08
Booking Calendar - Security Vulnerability (CVE-2026-105193)
The Booking Calendar WordPress plugin before 11.8 does not generate its per-booking access hashes with sufficient entropy, deriving each from a low-entropy time-seeded value, which can allow unauthenticated attackers who are able to determine a booking's creation time to predict the hash and then read that booking's personal data or modify the booking in place.
PLUGIN
Booking Calendar
CVE-2026-105193
Risk Score
Threat Entry
Updated 2026-09-22
Booking Calendar - Security Vulnerability (CVE-2026-93655)
The Booking Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'wpbc_auto_fill' parameter in all versions up to, and including, 11.8.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
PLUGIN
Booking Calendar
CVE-2026-93655
Risk Score
Threat Entry
Updated 2026-09-18
Booking Calendar - Security Vulnerability (CVE-2026-92619)
The Booking Calendar plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 11.8.2 via the `wpbc_ajax_option_save` AJAX action. The vulnerability exists because the `handle_ajax_save()` function applies per-option safeguards only to names explicitly registered via `register_option_policy()`, causing `get_option_policy()` to return an empty policy — bypassing all can_save, force_mode, and allowed_keys checks — for any unregistered option name, including core WordPress options, while an attacker-controlled `data_name` parameter passes through `sanitize_key()` and is written directly to `update_option()` without restriction. This makes it possible for authenticated attackers with…
PLUGIN
Booking Calendar
CVE-2026-92619
Risk Score
Threat Entry
Updated 2026-09-18
Booking Calendar - Security Vulnerability (CVE-2026-92561)
The Booking Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'options' parameter in all versions up to, and including, 11.8.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The nonce check is bypassed by default because the 'booking_is_nonce_at_front_end' option ships disabled, allowing unauthenticated requests to reach the vulnerable sink without any verification.
PLUGIN
Booking Calendar
CVE-2026-92561
Risk Score
Threat Entry
Updated 2026-09-19
Booking Calendar - Security Vulnerability (CVE-2026-74002)
Unauthenticated Broken Access Control in Booking Calendar
PLUGIN
Booking Calendar
CVE-2026-74002
Risk Score
Threat Entry
Updated 2026-10-22
Booking Calendar - Security Vulnerability (CVE-2026-73395)
Unauthenticated Insecure Direct Object References (IDOR) in Booking calendar, Appointment Booking System
PLUGIN
Booking Calendar
CVE-2026-73395
Risk Score
Threat Entry
Updated 2026-08-20
Booking Calendar - Broken Access Control (CVE-2026-8840)
The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.2.36. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to mark arbitrary reservations as paid or completed, cancel legitimate payments, auto-approve reservations, and trigger transactional booking emails by writing attacker-supplied payment status and transaction data directly into the payments table. The auto-approval of reservations is only triggered when the 'enable_psuccess_approval' site option…
PLUGIN
Booking Calendar
CVE-2026-8840
Risk Score
Threat Entry
Updated 2026-07-27
Booking Calendar - Cross-Site Scripting (XSS) (CVE-2026-59558)
Unauthenticated Cross Site Scripting (XSS) in Booking Calendar
PLUGIN
Booking Calendar
CVE-2026-59558
Risk Score
Threat Entry
Updated 2026-07-13
Booking Calendar - Broken Access Control (CVE-2026-57778)
Missing Authorization vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booking calendar, Appointment Booking System: from n/a through
PLUGIN
Booking Calendar
CVE-2026-57778
Risk Score
Threat Entry
Updated 2026-07-10
Booking Calendar - SQL Injection (CVE-2026-15289)
The Booking calendar, Appointment Booking System plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpdevart_id’ parameter in all versions up to, and including, 3.2.17 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. In order to exploit the vulnerability, the Pro version of the plugin must be installed and activated,…
PLUGIN
Booking Calendar
CVE-2026-15289
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - Cross-Site Scripting (XSS) (CVE-2026-25435)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Stored XSS.This issue affects Booking calendar, Appointment Booking System: from n/a through
PLUGIN
Booking Calendar
CVE-2026-25435
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - Security Vulnerability (CVE-2026-2230)
The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users' plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user.
PLUGIN
Booking Calendar
CVE-2026-2230
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - Broken Access Control (CVE-2026-1431)
The Booking Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the wpbc_ajax_WPBC_FLEXTIMELINE_NAV() function in all versions up to, and including, 10.14.13. This makes it possible for unauthenticated attackers to retrieve booking information including customer names, phones and emails.
PLUGIN
Booking Calendar
CVE-2026-1431
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - Broken Access Control (CVE-2025-14982)
The Booking Calendar plugin for WordPress is vulnerable to Missing Authorization leading to Sensitive Information Exposure in all versions up to, and including, 10.14.11. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view all booking records in the database, including personally identifiable information (PII) such as names, email addresses, phone numbers, physical addresses, payment status, booking costs, and booking hashes belonging to other users.
PLUGIN
Booking Calendar
CVE-2025-14982
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - Information Disclosure (CVE-2025-14146)
The Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 10.14.10 via the `WPBC_FLEXTIMELINE_NAV` AJAX action. This is due to the nonce verification being conditionally disabled by default (`booking_is_nonce_at_front_end` option is `'Off'` by default). When the `booking_is_show_popover_in_timeline_front_end` option is enabled (which is the default in demo installations and can be enabled by administrators), it is possible for unauthenticated attackers to extract sensitive booking data including customer names, email addresses, phone numbers, and booking details.
PLUGIN
Booking Calendar
CVE-2025-14146
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - SQL Injection (CVE-2025-14383)
The Booking Calendar plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'dates_to_check' parameter in all versions up to, and including, 10.14.8 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
PLUGIN
Booking Calendar
CVE-2025-14383
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - Broken Access Control (CVE-2025-67574)
Missing Authorization vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booking calendar, Appointment Booking System: from n/a through
PLUGIN
Booking Calendar
CVE-2025-67574
Risk Score
Threat Entry
Updated 2026-06-17
Booking Calendar - Cross-Site Scripting (XSS) (CVE-2025-12804)
The Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin 'bookingcalendar' shortcode in all versions up to, and including, 10.14.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Booking Calendar
CVE-2025-12804
Risk Score