The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.1.5 (and 7.5.1 for the Pro version) due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

The wpDataTables – WordPress Data Table, Dynamic Tables & Table Charts Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'A' parameter in all versions up to, and including, 3.4.2.2 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 Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 1.0.93 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in TMS Booking for Appointments and Events Calendar – Amelia allows Stored XSS.This issue affects Booking for Appointments and Events Calendar – Amelia: from n/a through 1.0.85.

The wpDataTables WordPress plugin before 2.1.66 does not validate the "Serialized PHP array" input data before deserializing the data. This allows admins to deserialize arbitrary data which may lead to remote code execution if a suitable gadget chain is present on the server. This is impactful in environments where admin users should not be allowed to execute arbitrary code, such as multisite.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in TMS Booking for Appointments and Events Calendar – Amelia plugin <= 1.0.75 versions.

Cross-site scripting vulnerability in Appointment and Event Booking Calendar for WordPress - Amelia versions prior to 1.0.76 allows a remote unauthenticated attacker to inject an arbitrary script by having a user who is logging in the WordPress where the product is installed visit a malicious URL.

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in TMS-Plugins wpDataTables plugin <= 2.1.49 versions.

Multiple Authenticated (administrator or higher user role) Persistent Cross-Site Scripting (XSS) vulnerabilities in TMS-Plugins wpDataTables plugin <= 2.1.27 on WordPress via &data-link-text, &data-link-url, &data, &data-shortcode, &data-star-num vulnerable parameters.

The Amelia WordPress plugin before 1.0.48 does not have proper authorisation when handling Amelia SMS service, allowing any customer to send paid test SMS notification as well as retrieve sensitive information about the admin, such as the email, account balance and payment history. A malicious actor can abuse this vulnerability to drain out the account balance by keep sending SMS notification.