What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-04 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• seezee WP FOFT Loader: through 2.1.39

References

• https://plugins.trac.wordpress.org/browser/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php?rev=3449144#L31
• https://plugins.trac.wordpress.org/browser/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php?rev=3449144#L45
• https://plugins.trac.wordpress.org/changeset/3453101/wp-foft-loader/trunk/includes/class-wp-foft-loader-mimes.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/cede8ff5-f739-4eb3-9672-5adb5d2ae0a9?source=cve

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