CVE-2026-1104

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.

PUBLISHED Reserved 2026-01-17 | Published 2026-02-12 | Updated 2026-02-12 | Assigner Wordfence

Problem types

CWE-862 Missing Authorization

Product status

Timeline

Credits

Athiwat Tiprasaharn finder

Itthidej Aramsri finder

Waris Damkham finder

References

www.wordfence.com/...-c38c-4c78-9e15-797f3c3a4b30?source=cve

plugins.trac.wordpress.org/...cludes/Endpoint/PackageApi.php

plugins.trac.wordpress.org/changeset/3449530/

cve.org (CVE-2026-1104)

nvd.nist.gov (CVE-2026-1104)

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