Forminator WordPress Flaw Can Enable Unauthenticated RCE via Malicious PHP Uploads
Aug 17, 2026
Vulnerability / Website Security
A critical security flaw has been disclosed in Forminator Forms, a WordPress plugin with more than 600,000 active installations, that could be exploited to achieve arbitrary code execution on susceptible sites. The vulnerability, tracked as CVE-2026-15748 , is rated 9.8 out of 10.0 on the CVSS scoring system. It was discovered and reported by a security researcher who goes by the online alias "daroo." "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," Wordfence said in a report published today. That said, a key prerequisite for successful exploitation is that the sites must have a form containing both a File Upload field and a Select field. The vulnerability impacts all versions of the plugin before and including 1.56.1. It has been addressed in version 1.56.2 released on July 31, 2026. Pe...