The WP Simple Shopping Cart plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.6.3 due to the plugin saving shopping cart data exports in a publicly accessible location (/wp-content/plugins/wordpress-simple-paypal-shopping-cart/includes/admin/). This makes it possible for unauthenticated attackers to view information that should be limited to administrators only and can include data like first name, last name, email, address, IP Address, and more.

The Easy Accept Payments for PayPal WordPress plugin before 4.9.10 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

The WordPress Simple Shopping Cart WordPress plugin before 4.6.2 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

The Compact WP Audio Player WordPress plugin before 1.9.8 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

The WP Video Lightbox WordPress plugin before 1.9.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin.

The Donations via PayPal WordPress plugin before 1.9.9 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Multiple Cross-Site Request Forgery vulnerabilities in All-In-One Security (AIOS) – Security and Firewall (WordPress plugin) <= 5.1.0 on WordPress.

The WP Video Lightbox WordPress plugin before 1.9.5 does not escape the $_SERVER['REQUEST_URI'] parameter before outputting it back in an attribute, which could lead to Reflected Cross-Site Scripting in old web browsers

The Accept Stripe Payments WordPress plugin before 2.0.64 does not sanitize and escape some of its settings, allowing high privilege users such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

The WP Simple Adsense Insertion WordPress plugin before 2.1 does not perform CSRF checks on updates to its admin page, allowing an attacker to trick a logged in user to manipulate ads and inject arbitrary javascript via submitting a form.