CVE-2026-82183

The OAuth Single Sign On WordPress plugin, versions 6.25.0 through 7.0.0 , fails to verify the Steam OpenID identity assertion returned during its single sign-on flow. This allows an unauthenticated attacker to log in as an arbitrary non-administrator user or create new accounts. The root cause i...

CVE-2026-28008 WordPress OAuth Single Sign On – SSO (OAuth Client) plugin <= 7.0.0 - Broken Authentication vulnerability

Unauthenticated Broken Authentication in OAuth Single Sign On – SSO OAuth Client = 7.0.0 versions...

CVE-2025-10753

The OAuth Single Sign On – SSO OAuth Client plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 6.26.14. This is due to missing capability checks and authentication verification on the OAuth redirect functionality accessible via the 'oauthredirect' opti...