CVE-2026-18216 — Backup Migration < 2.1.7 - Admin+ Privilege Escalation via Post-Restore Auto-Login

CVE-2026-18216

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

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / Backup Migration	affected 0 before 2.1.7

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/f12530c5-4069-42c2-9f1c-b00fc62aa387/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.