The WordPress Single Sign-On (SSO) plugin for WordPress is vulnerable to unauthorized access due to a misconfigured capability check on a function in all versions up to, and including, the *.5.3 versions of the plugin. This makes it possible for unauthenticated attackers to extract sensitive data including site content that has been restricted to certain users and/or roles.
CVE ID: CVE-2025-6003
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.3
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vendor: cyberlord92
Product: WordPress Single Sign-On (SSO) - Single Site Standard, WordPress Single Sign-On (SSO) - Single Site Premium, WordPress Single Sign-On (SSO) - Multisite Premium, WordPress Single Sign-On (SSO) - Single Site Enterprise, WordPress Single Sign-On (SSO) - Multisite Enterprise, WordPress Single Sign-On (SSO) - Single Site All-Inclusive, WordPress Single Sign-On (SSO) - Multisite All-Inclusive
EPSS Score: 0.06% (probability of being exploited)
EPSS Percentile: 19.5% (scored less or equal to compared to others)
EPSS Date: 2025-06-19 (when was this score calculated)