CVE-2016-2564

Invision Power Services (IPS) Community Suite before 4.1.9 makes session hijack easier by relying on the PHP uniqid function without the more_entropy flag. Attackers can guess an Invision Power Board session cookie if they can predict the exact time of cookie generation.

Date published : 2017-04-23

https://invisionpower.com/release-notes/419-r37/

https://medium.com/@iancarroll/bypassing-authentication-in-invision-power-board-with-cve-2016-2564-9a24ea3655f9