In the monitoring we do to keep track of vulnerabilities that hackers might be targeting we recently saw probing for the plugin Finale Lite -Sales Countdown Timer & Discount for WooCommerce. That plugin was updated a couple of days after that had occurred and one of the changelog entries is “Improved: Depreciated unused code was running, cleaned now.”. Looking at the changes made we saw that code was removed that could potentially lead to an arbitrary file upload vulnerability, though at first glance it would seem that security checks might prevent hackers accessing that. Upon closer inspection we found that it was exploitable and that it impacted two other plugins by the developer, NextMove Lite – Thank You Page for WooCommerce and User Email Verification for WooCommerce.

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This post provides insights on a vulnerability in the WordPress plugin Finale Lite -Sales Countdown Timer & Discount for WooCommerce 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.

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