As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.
This also affects other variants (Multisite, Premium, Enterprise, All-inclusive) of the Single Sign-On (SSO) plugin.
Private information like passwords, emails, or payment details can be exposed and stolen by unauthorized parties.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
This security issue has a low severity impact and is unlikely to be exploited.
Update to version 18.5.4 or later to resolve the vulnerability.
Published by Patchstack
12 Jun, 2025