Exploited colleges are not the only ones exploiting Laravel.
Some are using the exploit code to make it easier to get in.
The exploit code, which has not been publicly disclosed, can be found in Laraak 2.3.3 beta 2.
The Laravel community is now in a position where there are now plenty of exploits available to them.
This article shows how to get this exploit in Laraath 2.4 beta 1.
You can also find an extensive guide to this topic on the Laravel website.