CVE-2016-8899
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.
Date published : 2019-05-23
http://www.openwall.com/lists/oss-security/2016/09/30/5
https://github.com/exponentcms/exponent-cms/commit/fdafb5ec97838e4edbd685f587f28d3174ebb3db