The TI WooCommerce Wishlist plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wizard' function in all versions up to, and including, 2.9.1. This makes it possible for unauthenticated attackers to create new pages, modify plugin settings, and perform limited options updates.

The TI WooCommerce Wishlist WordPress plugin through 2.8.2 is vulnerable to SQL Injection 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 TemplateInvaders TI WooCommerce Wishlist allows SQL Injection.This issue affects TI WooCommerce Wishlist: from n/a through 2.8.2.

The TI WooCommerce Wishlist and TI WooCommerce Wishlist Pro plugins for WordPress are vulnerable to an Options Change vulnerability in versions up to, and including, 1.21.11 and 1.21.4 via the 'ti-woocommerce-wishlist/includes/export.class.php' file. This makes it possible for authenticated attackers to gain otherwise restricted access to the vulnerable blog and update any settings.

The TI WooCommerce Wishlist WordPress plugin before 1.40.1, TI WooCommerce Wishlist Pro WordPress plugin before 1.40.1 do not sanitise and escape the item_id parameter before using it in a SQL statement via the wishlist/remove_product REST endpoint, allowing unauthenticated attackers to perform SQL injection attacks