CVE-2026-18216: Improper Authentication

The Backup Migration WordPress plugin before 2.1.7 does not properly restrict a post-restore automatic login mechanism, allowing a user who administers one site of a multisite network to obtain a long-lived authenticated session as an administrator of another site in the same network, without...

CVE-2025-12394: Undefined Security Weakness

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-2023-6271: Undefined Security Weakness

The Backup Migration WordPress plugin before 1.3.6 stores in-progress backups information in easy to find, publicly-accessible files, which may allow attackers monitoring those to leak sensitive information from the site's backups...