CVE-2026-1104

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

highMissing Authorization

8.8

CVSS Score

8.8

CVSS Score

high

Severity

2.7.2

Patched in

Time to patch

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.

CVSS Vector Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

High

Confidentiality

High

Integrity

High

Availability

Technical Details

Affected versions<=2.7.1

PublishedFebruary 11, 2026

Last updatedFebruary 12, 2026

Affected pluginfastdup

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/29c0fb4d-c38c-4c78-9e15-797f3c3a4b30?source=api-prod

Check if your site is affected.

Run a free security audit to detect vulnerable plugins, outdated versions, and misconfigurations.

Run free audit Browse CVE database