CVE-2023-6266: Backupbliss Backup Migration

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

The Backup Migration plugin for WordPress is vulnerable to unauthorized access of data due to insufficient path and file validation on the BMI_BACKUP case of the handle_downloading function in all versions up to, and including, 1.3.6. This makes it possible for unauthenticated attackers to download back-up files which can contain sensitive information such as user passwords, PII, database credentials, and much more.

Affected products

• Backupbliss Backup Migration: up to and including 1.3.6

Published 2024-01-11. Last modified 2026-06-17.