FastDup – Fastest WordPress Migration & Duplicator vulnerabilities
Plugin slug fastdup · 5 known vulnerabilities · latest disclosed 2026-06-12 · WordPress.org page
Every listed vulnerability has a fix. Version 2.7.3 or later is not affected by any of them. If your site runs an older version, update it.
2 of 5 rated high or critical (CVSS 7 or more).
Known vulnerabilities in FastDup – Fastest WordPress Migration & Duplicator
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 5.3 | <= 2.7.2 | 2.7.3 | CVE-2026-52703 | 2026-06-12 | Advisory |
| High 8.8 | <= 2.7.1 | 2.7.2 | CVE-2026-1104 | 2026-02-11 | Advisory |
| Medium 6.5 | <= 2.7 | 2.7.1 | CVE-2026-0604 | 2026-01-05 | Advisory |
| Critical 9.8 | <= 2.1.9 | 2.2.0 | CVE-2023-6592 | 2024-01-16 | Advisory |
| Medium 5.3 | <= 2.1.7 | 2.1.8 | CVE-2023-51406 | 2023-12-27 | Advisory |
Check if a site is affected
Enter a site address to see which version of FastDup – Fastest WordPress Migration & Duplicator and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the FastDup – Fastest WordPress Migration & Duplicator plugin safe to use?
All 5 known issues are fixed in current versions (2.7.3 or later). Keeping it updated is what matters.
How do I check which version of FastDup – Fastest WordPress Migration & Duplicator my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.