CVE-2026-18216 (GCVE-0-2026-18216)
Vulnerability from cvelistv5 – Published: 2026-08-15 06:00 – Updated: 2026-08-17 20:36
VLAI
EPSS
VEX
Title
Backup Migration < 2.1.7 - Admin+ Privilege Escalation via Post-Restore Auto-Login
Summary
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.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 20:35 UTC
CWE
- CWE-287 Improper Authentication
- CWE-287 - Improper Authentication
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/f12530c5-4069-42… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Unknown | Backup Migration |
Affected:
0 , < 2.1.7
(semver)
|
guessed |
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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