The Ecwid by Lightspeed Ecommerce Shopping Cart plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.12.27. This is due to missing or incorrect nonce validation on the ecwid_deactivate_feedback() function. This makes it possible for unauthenticated attackers to send deactivation messages on behalf of a site owner via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Ecwid Ecommerce Shopping Cart WordPress plugin before 6.12.5 does not have CSRF check in place when updating its settings, which could allow attackers to make a logged in admin change them via a CSRF attack.

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Ecwid Ecommerce Ecwid Ecommerce Shopping Cart plugin <= 6.11.4 versions.

Cross-Site Request Forgery (CSRF) vulnerability in Ecwid Ecommerce Ecwid Ecommerce Shopping Cart plugin <= 6.11.3 versions.

The Ecwid Ecommerce Shopping Cart plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 6.10.23. This is due to missing or incorrect nonce validation on the ecwid_update_plugin_params function. This makes it possible for unauthenticated attackers to update plugin options granted they can trick a site administrator into performing an action such as clicking on a link.