WordPress Single Sign-On (SSO) - Multisite Premium <= 38.5.8 - Missing Authorization

2026-07-09 00:00
Kim Dvash

Strategic Overview

Vulnerability Overview

The WordPress Single Sign-On (SSO) - Multisite Enterprise plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 38.5.8. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C

WordPress Single Sign-On (SSO) - Multisite Premium <= 38.5.8 - Missing Authorization (CVE-2026-57807)