What’s Vulnerable › Vulnerabilities

CVE-2026-1104: FastDup – Fastest WordPress Migration & Duplicator <= 2.7.1 - Missing Authorization to Authenticated (Contributor+) Backup Creation and Download

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-12 · updated 2026-06-17
• Weakness: CWE-862

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.

Affected products

• ninjateam FastDup – Fastest WordPress Migration & Duplicator: through 2.7.1

References

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

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