CVE-2026-18216

MediumCVSS 6.5/10Last modified Aug 26, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published
Aug 15, 2026
Last modified
Aug 26, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-182174.7A flaw was found in the SAML protocol implementation of Keycloak, an open-source identity and access management solution. The issue occurs wCVE-2026-182185.4A flaw was found in the TokenManager component of the Keycloak identity management service. When an administrator attempts to revoke tokens CVE-2026-18226.4The WP NG Weather plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ng-weather' shortcode in all versions CVE-2026-182207.8An out-of-bounds write vulnerability was found in the BFD library's DLX ELF backend (bfd/elf32-dlx.c) in GNU binutils. The dlx_rtype_to_howtCVE-2026-182219.8IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to gain unauthorized access due to improper validation of client-supplied authentCVE-2026-182235.0Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to validate the invited recipient's email CVE-2026-182287.1HyperScale contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. UCVE-2026-18236.4The Consensus Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's consensus shortcode in all versions uCVE-2026-182308.1The WP Directory Kit WordPress plugin before 1.5.6 does not sanitise and escape a parameter before using it in a SQL statement through one oCVE-2026-182315.3The WP Directory Kit WordPress plugin before 1.5.7 does not perform any authorization check on one of its public AJAX actions and returns unCVE-2026-182325.3The WP Directory Kit WordPress plugin through 1.5.7 does not check the status or ownership of a listing before returning its content throughCVE-2026-182336.5The MStore API WordPress plugin before 4.21.1 does not verify that the order targeted by one of its delivery endpoints belongs to the reque