boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-18216MEDIUM
Unknown Backup Migration — Backup Migration < 2.1.7 - Admin+ Privilege Escalation via Post-Restore Auto-Login
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   H   N  U  H  H  N    6.5   .0029   21.2     —
AFFECTED
  Product           Versions     Fixed
  Backup Migration  unspecified  —
TIMELINE
  Jul 29  Reserved by WPScan
  Aug 14  EXPLOIT PUBLISHED — CVE-2026-18216 (Unknown Backup Migration). Public exploit reference added.
  Aug 15  Published (CNA: WPScan)
  Aug 16  EXPLOIT PUBLISHED — CVE-2026-18216 (Unknown Backup Migration). Public exploit reference added.
CWE-287 · CNA: WPScan · CVSS v3.1 · 1 reference · NVD status: Received

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.

Lifecycle

Complete event history — 4 events, chronological
DateEventDetail
July 29, 2026ReservedReserved by WPScan
August 14, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-18216 (Unknown Backup Migration). Public exploit reference added.
August 15, 2026PublishedPublished (CNA: WPScan)
August 16, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-18216 (Unknown Backup Migration). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
UnknownBackup Migration———

Weaknesses

CWE-287

References (1)

Related

Authoritative record: CVE-2026-18216 at cve.org

Weaknesses: CWE-287

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-18216 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.