VULNERABILITY INTELLIGENCE

CVE-2026-18216

CVSS score6.5 MEDIUM
EPSS probability0.51%
CISA KEVNot currently listed
Published2026-08-15
Last modified2026-08-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-287

Primary references