CVE-2026-1565 - Vulnerability Analysis

Overview

User Frontend WordPress plugin <= 4.2.8 contains an unrestricted file upload vulnerability caused by improper file type validation in 'WPUF_Admin_Settings::check_filetype_and_ext' and 'Admin_Tools::check_filetype_and_ext', letting authenticated attackers with Author-level access upload arbitrary files, potentially enabling remote code execution.

Severity & Score

Impact

Authenticated attackers with Author-level access can upload arbitrary files, potentially leading to remote code execution and full server compromise.

Mitigation

Update to a version later than 4.2.8 or the latest available version.

References

• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L571
• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/admin/class-admin-settings.php?rev=3448772#L600
• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L444
• https://plugins.trac.wordpress.org/browser/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php?rev=3448772#L537
• https://plugins.trac.wordpress.org/changeset/3468395/wp-user-frontend/trunk/includes/Admin/Admin_Tools.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/2c358cbe-7600-43a1-94a3-1530cdb5a9f3?source=cve

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Feb 28, 2026

🟠 CVE-2026-1565 - High (8.8) The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to arbitrary file uploads due to incorrect file type validation in the 'WPUF_Admin_Settings::check_filetype_... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-1565/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Related Resources

• Vulnerability Intelligence Dashboard
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