The WooCommerce plugin through 3.x for WordPress has a Directory Traversal Vulnerability via a /wp-content/plugins/woocommerce/templates/emails/plain/ URI, which accesses a parent directory. NOTE: a software maintainer indicates that Directory Traversal is not possible because all of the template files have "if (!defined('ABSPATH')) {exit;}" code

An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated.

Arbitrary SQL (SQL injection) possible via the Store API component.

woocommerce-gutenberg-products-block is a feature plugin for WooCommerce Gutenberg Blocks. An SQL injection vulnerability impacts all WooCommerce sites running the WooCommerce Blocks feature plugin between version 2.5.0 and prior to version 2.5.16. Via a carefully crafted URL, an exploit can be executed against the `wc/store/products/collection-data?calculate_attribute_counts[][taxonomy]` endpoint that allows the execution of a read only sql query. There are patches for many versions of this package, starting with version 2.5.16. There are no known workarounds aside from upgrading.