High severity · published Feb 12, 2026
CVE-2026-1104
FastDup – Fastest WordPress Migration & Duplicator <= 2.7.1 - Missing Authorization to Authenticated (Contributor+) Backup Creation and Download
8.8
CVSS
0.3%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
FastDup – Fastest WordPress Migration & Duplicator · ninjateam
through 2.7.1 · source: vendor
Affected product
FF
FastDup – Fastest WordPress Migration & Duplicator
ninjateam
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1104
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1104
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/fastdup/trunk/includes/Endpoint/PackageApi.php#L371
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/3449530/
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/29c0fb4d-c38c-4c78-9e15-797f3c3a4b30?source=cve
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