GHSA-P9W9-87C8-M235 Admidio Sends SAML Response to Unvalidated Assertion Consumer Service URL from AuthnRequest

Summary The SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the registered ACS URL smcacsurl stored in the database for the...