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Threat Entry
Updated 2026-03-19
CVE-2026-3658 - Simply Schedule Appointments Plugin
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 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, including usernames, email addresses, and password hashes.
PLUGIN
Simply Schedule Appointments
CVE-2026-3658
Risk Score
Threat Entry
Updated 2026-03-16
CVE-2026-3045 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments plugin for WordPress is vulnerable to unauthorized access of sensitive data in all versions up to and including 1.6.9.29. This is due to two compounding weaknesses: (1) a non-user-bound `public_nonce` is exposed to unauthenticated users through the public `/wp-json/ssa/v1/embed-inner` REST endpoint, and (2) the `get_item()` method in `SSA_Settings_Api` relies on `nonce_permissions_check()` for authorization (which accepts the public nonce) but does not call `remove_unauthorized_settings_for_current_user()` to filter restricted fields. This makes it possible for unauthenticated attackers to access admin-only plugin settings including the administrator…
PLUGIN
Simply Schedule Appointments
CVE-2026-3045
Risk Score
Threat Entry
Updated 2026-03-16
CVE-2026-1704 - Simply Schedule Appointments Plugin
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 `get_item_permissions_check` method granting access to users with the `ssa_manage_appointments` capability without validating staff ownership of the requested appointment. This makes it possible for authenticated attackers, with custom-level access and above (users granted the ssa_manage_appointments capability, such as Team Members), to view appointment records belonging to other staff members and access sensitive customer personally identifiable information via the…
PLUGIN
Simply Schedule Appointments
CVE-2026-1704
Risk Score
Threat Entry
Updated 2026-03-11
CVE-2026-1708 - Simply Schedule Appointments Plugin
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 `db_where_conditions` method in the `TD_DB_Model` class failing to prevent the `append_where_sql` parameter from being passed through JSON request bodies, while only checking for its presence in the `$_REQUEST` superglobal. This makes it possible for unauthenticated attackers to append arbitrary SQL commands to queries and extract sensitive information from the database via the `append_where_sql` parameter in JSON payloads granted…
PLUGIN
Simply Schedule Appointments
CVE-2026-1708
Risk Score
Threat Entry
Updated 2025-06-16
CVE-2025-4667 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ssa_admin_upcoming_appointments, ssa_admin_upcoming_appointments, and ssa_past_appointments shortcodes in all versions up to, and including, 1.6.8.30 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
Simply Schedule Appointments
CVE-2025-4667
Risk Score
Threat Entry
Updated 2025-03-13
CVE-2024-13431 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the accent_color and background parameter in all versions up to, and including, 1.6.8.3 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
Simply Schedule Appointments
CVE-2024-13431
Risk Score
Threat Entry
Updated 2024-11-06
CVE-2024-7877 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Notification settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
PLUGIN
Simply Schedule Appointments
CVE-2024-7877
Risk Score
Threat Entry
Updated 2024-11-06
CVE-2024-7876 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Appointment Type settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
PLUGIN
Simply Schedule Appointments
CVE-2024-7876
Risk Score
Threat Entry
Updated 2025-09-15
CVE-2024-7129 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar WordPress plugin before 1.6.7.43 does not escape template syntax provided via user input, leading to Twig Template Injection which further exploited can result to remote code Execution by high privilege such as admins
PLUGIN
Simply Schedule Appointments
CVE-2024-7129
Risk Score
Threat Entry
Updated 2025-01-28
CVE-2024-4288 - Simply Schedule Appointments Plugin
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 for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Simply Schedule Appointments
CVE-2024-4288
Risk Score
Threat Entry
Updated 2025-01-31
CVE-2024-2342 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the customer_id parameter in all versions up to, and including, 1.6.7.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with contributor access or higher, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
PLUGIN
Simply Schedule Appointments
CVE-2024-2342
Risk Score
Threat Entry
Updated 2025-01-31
CVE-2024-2341 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the keys parameter in all versions up to, and including, 1.6.7.7 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
PLUGIN
Simply Schedule Appointments
CVE-2024-2341
Risk Score
Threat Entry
Updated 2025-02-04
CVE-2024-1760 - Simply Schedule Appointments Plugin
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.6.6.20. This is due to missing or incorrect nonce validation on the ssa_factory_reset() function. This makes it possible for unauthenticated attackers to reset the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
PLUGIN
Simply Schedule Appointments
CVE-2024-1760
Risk Score
Threat Entry
Updated 2024-11-21
CVE-2022-2373 - Simply Schedule Appointments Plugin
The Simply Schedule Appointments WordPress plugin before 1.5.7.7 is missing authorisation in a REST endpoint, allowing unauthenticated users to retrieve WordPress users details such as name and email address
PLUGIN
Simply Schedule Appointments
CVE-2022-2373
Risk Score
Threat Entry
Updated 2024-11-21
CVE-2022-2374 - Simply Schedule Appointments Plugin
The Simply Schedule Appointments WordPress plugin before 1.5.7.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
PLUGIN
Simply Schedule Appointments
CVE-2022-2374
Risk Score