No patched version is available. No reply from the vendor.
Dave Jong (Patchstack) discovered and reported this Server Side Request Forgery (SSRF) vulnerability in WordPress Confirm Data Plugin. This could allow a malicious actor to cause a website to execute website requests to an arbitrary domain of the attacker. This could allow a malicious actor to find sensitive information of other services running on the system. This vulnerability has not been known to be fixed yet.