The default configuration of the forum package in eZ publish 3.5 before 3.5.5, 3.6 before 3.6.2, 3.7 before 3.7.0rc2, and 3.8 before 20050818 does not restrict edit permissions to a posting's owner, which allows remote authenticated users to edit arbitrary postings.
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.