CVE-2026-1756WP FOFT Loader <= 2.1.39 - Authenticated (Author+) Arbitrary File Upload

Description

The WP FOFT Loader plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'WP_FOFT_Loader_Mimes::file_and_ext' function in all versions up to, and including, 2.1.39. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://www.wordfence.com/threat-intel/vulnerabilities/id/cede8ff5-f739-4eb3-9672-5adb5d2ae0a9?source=cve
• https://plugins.trac.wordpress.org/browser/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php?rev=3…
• https://plugins.trac.wordpress.org/browser/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php?rev=3…
• https://plugins.trac.wordpress.org/changeset/3453101/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php