The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Information Exposure in versions up to, and including, 3.2.10. This can allow unauthenticated attackers to extract sensitive data including all registered user's username and email addresses which can be used to help perform future attacks.

The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to union based SQL Injection via the 'user' parameter of the /lms/stm-lms/order/items REST route in all versions up to, and including, 3.2.5 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.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in StylemixThemes Booking Calendar | Appointment Booking | BookIt.This issue affects Booking Calendar | Appointment Booking | BookIt: from n/a through 2.4.3.

Server-Side Request Forgery (SSRF) vulnerability in StylemixThemes Motors – Car Dealer, Classifieds & Listing.This issue affects Motors – Car Dealer, Classifieds & Listing: from n/a through 1.4.6.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in StylemixThemes Motors – Car Dealer, Classifieds & Listing plugin <= 1.4.6 versions.

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.0.18 does not have proper checks in place during registration allowing anyone to register on the site as an instructor. They can then add courses and/or posts.

The BookIt plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.3.7. This is due to insufficient verification on the user being supplied during booking an appointment through the plugin. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they have access to the email.

Broken Access Control vulnerability in StylemixThemes MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin <= 3.0.8 versions allows any logged-in users, such as subscribers to view the "Orders" of the plugin and get the data related to the order like email, username, and more.

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in StylemixThemes MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin <= 3.0.7 versions.

The uListing plugin for WordPress is vulnerable to authorization bypass via wp_route due to missing capability checks, and a missing security nonce, in the StmListingSingleLayout::import_new_layout method in versions up to, and including, 1.6.6. This makes it possible for unauthenticated attackers to change any WordPress option in the database.