CVE-2026-1104 PUBLISHED

The FastDup – Fastest WordPress Migration & Duplicator plugin for WordPress is vulnerable to unauthorized backup creation and download due to a missing capability check on REST API endpoints in all versions up to, and including, 2.7.1. This makes it possible for authenticated attackers, with Contributor-level access and above, to create and download full-site backup archives containing the entire WordPress installation, including database exports and configuration files.

• Athiwat Tiprasaharn finder
• Itthidej Aramsri finder
• Waris Damkham finder

• https://www.wordfence.com/threat-intel/vulnerabilities/id/29c0fb4d-c38c-4c78-9e15-797f3c3a4b30?source=cve
• https://plugins.trac.wordpress.org/browser/fastdup/trunk/includes/Endpoint/PackageApi.php#L371
• https://plugins.trac.wordpress.org/changeset/3449530/

• CWE-862 Missing Authorization CWE