Known vulnerabilities in Prime Mover – Backup and Migration

The simplest all-around plugin to migrate WordPress and do backups. These support multisite backup/migration or cloning a WP site/multisite subsite.

1Reported vulnerabilities

7.5Highest CVSS score

2.2.0Latest version

10,000+Active installs

What to do now

Update Prime Mover – Backup and Migration to 1.9.3 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 5, 2026 / Tested up to WordPress: 7.1 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2023-6505	High 7.5	39.9%	Before 1.9.3	`1.9.3`	January 8, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.