WP Security CheckVulnerability data as of October 22, 2026

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.

4Reported vulnerabilities
8.6Highest CVSS score
2.2.0Latest version
10,000+Active installs

What to do now

Update Prime Mover – Backup and Migration to 2.2.1 or later. 4 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.

CVESeverityExploit probability
next 30 days		 Affected versionsFixed inPublished
CVE-2023-6505 High 7.5 39.9% Before 1.9.3 1.9.3 January 8, 2024
CVE-2026-101888 High 8.6 0.6% 0 up to (but not including) 2.2.1 2.2.1 October 1, 2026
CVE-2026-101889 High 7 0.3% 0 up to (but not including) 2.2.1 2.2.1 October 1, 2026
CVE-2026-101890 Medium 5.1 0.2% 0 up to (but not including) 2.2.1 2.2.1 October 1, 2026

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