On July 14th, 2026, we received a submission for an Unauthenticated Arbitrary File Upload vulnerability in Forminator Forms, a WordPress plugin with more than 600,000 active installations. This vulnerability makes it possible for unauthenticated attackers to upload arbitrary files, including executable PHP files, to a vulnerable site, which can lead to remote code execution and complete site compromise. The vulnerability is only exploitable on sites that have a form containing both a File Upload field and a Select field.
Props to daroo who discovered and responsibly reported this vulnerability through the Wordfence Bug Bounty Program. This researcher earned a bounty
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