Skip to content
CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-18216

Backup Migration < 2.1.7 - Admin+ Privilege Escalation via Post-Restore Auto-Login

Description

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 credentials and bypassing two-factor authentication.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Unknown Backup Migration

Default version status: unaffected

  • 0 to < 2.1.7affected

References