CVE-2026-2354 Swiss Toolkit For WP <= 1.4.6 - Authenticated (Author+) Arbitrary File Upload via upload_extension_files()

The Swiss Toolkit For WP plugin for WordPress is vulnerable to arbitrary file upload due to a flawed file type validation bypass in the uploadextensionfiles function in all versions up to, and including, 1.4.6. The uploadextensionfiles function hooks into WordPress's wpcheckfiletypeandext filter...

EUVD-2026-43133

The Swiss Toolkit For WP plugin for WordPress is vulnerable to arbitrary file upload due to a flawed file type validation bypass in the uploadextensionfiles function in all versions up to, and including, 1.4.6. The uploadextensionfiles function hooks into WordPress's wpcheckfiletypeandext filter...