WordPress security changelog
MEDIUM CVE-2025-12394 Deferred

Backup Migration: A security weakness

Backup Migration is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 5.9 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
Backup Migration
Plugin slug
backup-migration
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 24, 2025
Weakness
Not assigned

This CVE was published Nov 24, 2025 and is one of 3 known issues for this plugin.

Update, patch or deactivate.

Update Backup Migration to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Backup Migration WordPress plugin before 2.0.0 does not properly generate its backup path in certain server configurations, allowing unauthenticated users to fetch a log that discloses the backup filename. The backup archive is then downloadable without authentication.

CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary and upstream sources