WordPress plugin
Prime Mover – Backup and Migration security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical1
- High3
- Medium2
- Low0
All Prime Mover – Backup and Migration vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Critical9.8 | Unauthenticated PHP Object Injection via Base64-Encoded Comment during Migration Search-and-Replace ≤2.2.1Update to 2.2.2 | CVE-2026-115806 | |
| High7.1 | Authenticated (Admin+) Arbitrary Directory Deletion ≤2.2.0Update to 2.2.1 | CVE-2026-101889 | |
| High8.8 | Authenticated (Admin+) Arbitrary File Upload ≤2.2.0Update to 2.2.1 | CVE-2026-101888 | |
| High7.5 | Sensitive Information Exposure via Directory Listing ≤1.9.2Update to 1.9.3 | CVE-2023-6505 |
- Critical9.8Unauthenticated PHP Object Injection via Base64-Encoded Comment during Migration Search-and-Replace
≤2.2.1Update to 2.2.2
- High7.1Authenticated (Admin+) Arbitrary Directory Deletion
≤2.2.0Update to 2.2.1
- High8.8Authenticated (Admin+) Arbitrary File Upload
≤2.2.0Update to 2.2.1
- High7.5Sensitive Information Exposure via Directory Listing
≤1.9.2Update to 1.9.3
Prime Mover – Backup and Migration: common questions
Does Prime Mover – Backup and Migration have known vulnerabilities?
Yes. VulnCrest Radar lists 6 known vulnerabilities in Prime Mover – Backup and Migration: 1 critical, 3 high, 2 medium. At least one is not fixed in the latest version.
How do I check which version of Prime Mover – Backup and Migration I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Prime Mover – Backup and Migration vulnerability?
CVE-2026-115806, published Oct 22, 2026: Prime Mover <= 2.2.1 - Unauthenticated PHP Object Injection via Base64-Encoded Comment during Migration Search-and-Replace. Severity: Critical (CVSS 9.8).
Is any Prime Mover – Backup and Migration vulnerability listed in CISA KEV?
No. None of the known Prime Mover – Backup and Migration vulnerabilities is currently listed in the CISA KEV catalog.