CVE-2026-13358: Authorization Bypass Through User-Controlled Key

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.12.10 via the ssapastappointments due to missing validation on a user controlled key. This makes it...

CVE-2026-6937: Missing Authorization

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.6.11.8 due to the plugin not properly verifying that a user is authorized to perform an action via the bulk appointmen...

CVE-2026-7797: Improper Neutralization of Special Elements used in an SQL Command

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'appendwheresql' parameter in all versions up to, and including, 1.6.11.8 due to insufficient escaping on the user supplied parameter and lac...

CVE-2026-7493: Uncontrolled Resource Consumption

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to denial of service in all versions up to, and including, 1.6.11.5. This is due to a publicly accessible REST API endpoint /wp-json/ssa/v1/async that calls PHP's sleep function on a...

CVE-2026-3658: Improper Neutralization of Special Elements used in an SQL Command

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the 'fields' parameter in all versions up to, and including, 1.6.10.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparati...

CVE-2026-1704: Authorization Bypass Through User-Controlled Key

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.6.9.29. This is due to the getitempermissionscheck method granting access to users with the...

CVE-2026-1708: Improper Neutralization of Special Elements used in an SQL Command

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to blind SQL Injection in all versions up to, and including, 1.6.9.27. This is due to the dbwhereconditions method in the TDDBModel class failing to prevent the appendwheresql paramet...

CVE-2025-12166: Improper Neutralization of Special Elements used in an SQL Command

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to blind SQL Injection via the order and appendwheresql parameters in all versions up to, and including, 1.6.9.9 due to insufficient escaping on the user supplied parameter and lack o...

CVE-2025-11723: Use of Insufficiently Random Values

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.9.5 via the hash function due to use of a hardcoded fall-back salt. This makes it possible for...

CVE-2025-13754: Missing Authorization

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.6.9.16. This is due to the plugin exposing its admin embed endpoint at /wp-json/ssa/v1/embed-inner-admin without...

CVE-2025-4667: Improper Neutralization of Input During Web Page Generation

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ssaadminupcomingappointments, ssaadminupcomingappointments, and ssapastappointments shortcodes in all versions up to, and including,...

CVE-2022-46816

Cross-Site Request Forgery CSRF vulnerability in Booking Ultra Pro Appointments Booking Calendar Plugin plugin = 1.1.4 versions...

CVE-2025-1119: Improper Control of Generation of Code

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.6.8.5. This is due to the software allowing users to execute an action that does not properly validate a value...

CVE-2024-13431: Improper Neutralization of Input During Web Page Generation

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accentcolor and background parameter in all versions up to, and including, 1.6.8.3 due to insufficient input sanitization and output escaping...

CVE-2024-13677: Missing Authorization

The GetBookingsWP – Appointments Booking Calendar Plugin For WordPress plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 1.1.27. This is due to the plugin not properly validating a user's identity prior to updating their details...

CVE-2024-11855: Improper Neutralization of Input During Web Page Generation

The Koalendar – Events & Appointments Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘height’ parameter in all versions up to, and including, 1.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated...

CVE-2024-38676 WordPress Booking Ultra Pro Appointments Booking Calendar Plugin plugin <= 1.1.13 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Booking Ultra Pro allows Stored XSS.This issue affects Booking Ultra Pro: from n/a through 1.1.13...

CVE-2024-6175: Missing Authorization

The Booking Ultra Pro Appointments Booking Calendar Plugin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the multiple functions called via AJAX like savefieldssettings, bupdeleteuseravatar, bupcropavataruserprofileimage, and more in a...

CVE-2024-4288 Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.7.14 - Authenticated (Contributor+) Stored Cross-Site Scripting

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘link’ parameter in versions up to, and including, 1.6.7.14 due to insufficient input sanitization and output escaping. This makes it possible f...

CVE-2024-4288: Improper Neutralization of Input During Web Page Generation

The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘link’ parameter in versions up to, and including, 1.6.7.14 due to insufficient input sanitization and output escaping. This makes it possible f...