High severity8.8NVD Advisory· Published Feb 12, 2026· Updated Apr 15, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Ninjateam/Fastdupllm-fuzzy
Range: <=2.7.1
WordPress/Fastdupwp-canonicalize
Package: https://wordpress.org/plugins/fastdup

Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/browser/fastdup/trunk/includes/Endpoint/PackageApi.phpnvd
plugins.trac.wordpress.org/changeset/3449530/nvd
www.wordfence.com/threat-intel/vulnerabilities/id/29c0fb4d-c38c-4c78-9e15-797f3c3a4b30nvd

News mentions

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