GHSA-474F-CMX5-GM69 Liferay Portal and Liferay DXP Don't Check Permissions of Pages

The Layout module in Liferay Portal 7.1.0 through 7.3.1, and Liferay DXP 7.1 before fix pack 20, and 7.2 before fix pack 5, does not properly check permission of pages, which allows remote authenticated users without view permission of a page to view the page via a site's page administration...