Following the PS4 4.0x WebKit Exploit Break Down, JailbreakMe PS4 3.5x / 3.70 / 4.0x Exploit Ports, 4.50 Kernel R/W Access and his original JailbreakMe PS4 4.0x WebKit RCE Exploit today PlayStation 4 hacker qwertyoruiopz confirmed on Twitter that he "just pwned PS4 4.5x" which Google defines as...