Here we have great news for all iPhone Jailbreak lovers and concerning one for the rest of iPhone users.
A Chinese cybersecurity researcher has today revealed technical details of critical vulnerabilities in Apple Safari web browser and iOS that could allow a remote attacker to jailbreak and compromise victims’ iPhoneX running iOS 12.1.2 and before versions.
Source: Chinese Hacker Publishes PoC for Remote iOS 12 Jailbreak On iPhone X