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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