CVE-2022-1617

The WP-Invoice WordPress plugin through 4.3.1 does not have CSRF check in place when updating its settings, and is lacking sanitisation as well as escaping in some of them, allowing attacker to make a logged in admin change them and add XSS payload in them

CVE-2016-11011

The wp-invoice plugin before 4.1.1 for WordPress has wpi_update_user_option privilege escalation.