In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and (in the case of EAP methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.
Cross-site Scripting (XSS) - Reflected in GitHub repository phoronix-test-suite/phoronix-test-suite prior to 10.8.2.