eZ publish before 3.8.9, and 3.9 before 3.9.3, does not properly check permissions on module views that lack a policy function, which has u…

eZ publish before 3.8.9, and 3.9 before 3.9.3, does not properly check permissions on module views that lack a policy function, which has unknown impact and attack vectors, as demonstrated by a vulnerability in the discount functionality in the shop module.