The WP Timetics- AI-powered Appointment Booking Calendar and Online Scheduling Plugin plugin for WordPress is vulnerable to Account Takeover/Privilege Escalation via Insecure Direct Object Reference in all versions up to, and including, 1.0.25 via the save() due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to reset the emails and passwords of arbitrary user accounts, including administrators, which makes account takeover and privilege escalation possible.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in vCita Online Booking & Scheduling Calendar for WordPress by vcita allows Reflected XSS.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through 4.4.6.

The WP Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 10.6 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. In addition, site administrators have the option to grant lower-level users with access to manage the plugin's settings which may extend this vulnerability to those users.

The WP Simple Booking Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg & remove_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.0.10. 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 WP Booking Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via several parameters from 'timeline_obj' in all versions up to, and including, 10.5 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 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 Appointment Booking Calendar Plugin and Online Scheduling Plugin – BookingPress plugin for WordPress is vulnerable to authentication bypass in versions 1.1.6 to 1.1.7. This is due to the plugin not properly verifying a user's identity prior to logging them in when completing a booking. This makes it possible for unauthenticated attackers to log in as registered users, including administrators, if they have access to that user's email. This is only exploitable when the 'Auto login user after successful booking' setting is enabled.

The WP Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'type' attribute within the plugin's bookingform shortcode in all versions up to, and including, 10.2.1 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.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in vCita.Com Online Booking & Scheduling Calendar for WordPress by vcita allows Reflected XSS.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through 4.4.2.