winocm also chimed in and after looking at the download, said it was just a reworking of the SHatter exploit.
I didn't see any comments by him or Planetbeing which indicated that this is a legit A5+ bootrom exploit. If anyone has seen differently, please post a link.
On the other hand, if p0sixninja is really part of the Unthreaded group, it's entirely possible he's just trolling to get attention for his Open Jailbreak project.