Description An improper validation of user-supplied input leads to a local file inclusion vulnerability. Remediation References CVE-2026-40383 Related Vulnerabilities WordPress Plugin Event Espresso Lite-Event Management and Registration System SQL Injection (3.1.37.12) Joomla! Core Cross-Site Scripting (1.5.0 - 3.8.3) Joomla! Core Cross-Site Scripting (2.5.0 - 3.9.24) WordPress Plugin Ninja Forms Contact Form-The Drag and Drop Form Builder for WordPress Multiple Cross-Site Scripting Vulnerabilities (2.9.21) WordPress 7PK - Security Features Vulnerability (CVE-2014-9039) Severity Critical Classification CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities CWE-22 CVE-2026-40383