CVE-2026-18216
Backup Migration < 2.1.7 - Admin+ Privilege Escalation via Post-Restore Auto-Login
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | unknown |
| Product | backup migration |
| Published | Aug 15, 2026 |
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Affected Versions
Unknown / Backup Migration
0 < 2.1.7
References
Credits
Thanh Lam Tang WPScan