The BookingPress plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient filename validation in the 'bookingpress_process_upload' function in all versions up to, and including 1.0.87. This allows an authenticated attacker with administrator-level capabilities or higher to upload arbitrary files on the affected site's server, enabling remote code execution.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Scientech It Solution Appointment Calendar allows Reflected XSS.This issue affects Appointment Calendar: from n/a through 2.9.6.

The Appointment Booking Calendar WordPress plugin before 1.3.83 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions via CSRF attacks such as adding a booking to the calendar without paying.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 10to8 Sign In Scheduling Online Appointment Booking System allows Stored XSS.This issue affects Sign In Scheduling Online Appointment Booking System: from n/a through 1.0.9.

Appointment Scheduler 3.0 is vulnerable to CSV Injection via a Language > Labels > Export action.

A lack of rate limiting in pjActionAjaxSend in Appointment Scheduler 3.0 allows attackers to cause resource exhaustion.

Appointment Scheduler 3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) issues via the name, plugin_sms_api_key, plugin_sms_country_code, calendar_id, title, country name, or customer_name parameter.

Appointment Scheduler 3.0 is vulnerable to Multiple HTML Injection issues via the SMS API Key or Default Country Code.

Cross-Site Request Forgery (CSRF) vulnerability in Scientech It Solution Appointment Calendar plugin <= 2.9.6 versions.

User enumeration is found in in PHPJabbers Appointment Scheduler 3.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.