CVE-2023-51406

WordPress FastDup Plugin <= 2.1.7 is vulnerable to Sensitive Data Exposure

5.3 Medium

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Ninja Team FastDup – Fastest WordPress Migration & Duplicator.This issue affects FastDup – Fastest WordPress Migration & Duplicator: from n/a through 2.1.7.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.48%Up 0.4 points since Jan 10, 2024

What each source reports

CVE List Score used 5.3

WordPress FastDup Plugin <= 2.1.7 is vulnerable to Sensitive Data Exposure

Record: CVE-2023-51406
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

EUVDEUVD-2023-56127 5.3

Record: EUVD-2023-56127
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4gcw-p8mg-cmch 5.3

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Ninja Team FastDup –...

Record: GHSA-4gcw-p8mg-cmch
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

NVD 5.3

Record: CVE-2023-51406
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-51406 is a medium vulnerability (CVSS 5.3) in Ninja Team Fastdup – Fastest Wordpress Migration & Duplicator, published January 8, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. No source names a fixed version.