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.
Published: 2026-08-15
Score: n/a
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sat, 15 Aug 2026 08:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
CWE-640

Sat, 15 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title Backup Migration < 2.1.7 - Admin+ Privilege Escalation via Post-Restore Auto-Login
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-15T06:00:14.986Z

Reserved: 2026-07-29T08:51:12.758Z

Link: CVE-2026-18216

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-15T06:17:08.487

Modified: 2026-08-15T06:17:08.487

Link: CVE-2026-18216

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-15T08:00:06Z

Weaknesses
  • CWE-284

    Improper Access Control

  • CWE-640

    Weak Password Recovery Mechanism for Forgotten Password