EUVD-2026-68133

The SAML Single Sign On – SSO Login plugin for WordPress is vulnerable to Authentication Bypass in versions up to, and including, 5.4.6. This is due to the mosamlloginvalidate ACS handler persisting the X.509 certificate extracted from an incoming SAMLResponse into the mosamlrequiredcertificate...

CVE-2026-75807

The SAML Single Sign On – SSO Login plugin for WordPress (versions up to 5.4.6 ) is vulnerable to an unauthenticated authentication bypass caused by X.509 certificate poisoning. The mo_saml_login_validate() ACS handler persists the X.509 certificate from an incoming SAMLResponse into the mo_saml_...