Description
WordPress Plugin Content Blocks (Custom Post Widget) is prone to a local file inclusion vulnerability because it fails to sufficiently verify user-supplied input. Exploiting this issue may allow an attacker to obtain sensitive information that could aid in further attacks. WordPress Plugin Content Blocks (Custom Post Widget) version 3.3.0 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.3.1 or latest