
Batch detection script for CVE-2019-16759, an unauthenticated remote code execution vulnerability in vBulletin 5.x, with PHP payload generation for reverse shells.
vBulletin 5.x Unauthorized RCE Batch Detection Script

This vulnerability is quite trivial; out of 200+ random targets, only 5 had it.

Now handle it yourself—you already have PHP, how can you not get a reverse shell?