Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/fastdup/trunk/includes/Endpoint/Packa
- https://plugins.trac.wordpress.org/changeset/3449530/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/29c0fb4d-c38c-4c78-9e1
FAQ
What is CVE-2026-1104?
CVE-2026-1104 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ve...
How severe is CVE-2026-1104?
CVE-2026-1104 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1104?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.