The Booking for Appointments and Events Calendar – Amelia Premium and Lite plugins for WordPress are vulnerable to unauthorized access of data due to a missing capability check on the 'ameliaButtonCommand' function in all versions up to, and including, Premium 7.7 and Lite 1.2.3. This makes it possible for unauthenticated attackers to access employee calendar details, including Google Calendar OAuth tokens in the premium version.

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 1.2. This is due to the plugin utilizing Symfony and leaving display_errors on within test files. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.

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.

Missing Authorization vulnerability in TMS Amelia ameliabooking.This issue affects Amelia: from n/a through 1.0.98.

Cross-Site Request Forgery (CSRF) vulnerability in TMS Amelia.This issue affects Amelia: from n/a through 1.0.95.

The Booking for Appointments and Events Calendar – Amelia plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the date parameters in all versions up to, and including, 1.0.98 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.

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.