One of the changelog entries for the latest version of WooCommerce One Click Upsell Funnel is “Improved: Better Security and Performance”. Looking at the changes made in that version we found there were a lot of unnecessary security changes being made, but we did find that a cross-site request forgery (CSRF)/cross-site scripting (XSS) vulnerability had been fixed.

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This post provides insights on a vulnerability in the WordPress plugin WooCommerce One Click Upsell Funnel not discovered by us, where the discoverer hadn't provided the details needed for us to confirm the vulnerability while we were adding it to the data set for our service, so the rest of its contents are limited to subscribers of our service.

If you were using our service, you would have already been warned about this vulnerability if your website is vulnerable due to it. You can try out our service for free and then see the rest of the details of the vulnerability.

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