Authenticated IDOR vulnerability in StoreApps Affiliate For WooCommerce premium plugin <= 4.7.0 at WordPress allows an attacker to change the PayPal email. WooCommerce PayPal Payments plugin (free) should be at least installed to get the extra input field on the user profile page.
https://dzv365zjfbd8v.cloudfront.net/changelogs/affiliate-for-woocommerce/changelog.txt