FastDup – Fastest WordPress Migration & Duplicator <= 2.7.1 - Missing Authorization to Authenticated (Contributor+) Backup Creation and Download

Missing Authorization
CVE CVE-2026-1104
CVSS High (8.8)
Publicly Published February 11, 2026
Last Updated February 12, 2026
Researcher Athiwat Tiprasaharn (Jitlada), Itthidej Aramsri (Boeing777), Waris Damkham
Description

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.

References

1 affected software package

Software Type Plugin
Software Slug fastdup (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.7.1
Patched Version
  • 2.7.2
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