Masa CMS is an open source Enterprise Content Management platform. Prior to 7.2.8, 7.3.13, and 7.4.6, if the URL to the page is modified to include a /tag/ declaration, the CMS will render the page regardless of group restrictions. This vulnerability is fixed in 7.2.8, 7.3.13, and 7.4.6.
https://github.com/MasaCMS/MasaCMS/security/advisories/GHSA-f469-jh82-97fv
https://github.com/MasaCMS/MasaCMS/commit/d1a2e57ef8dbc50c87b178eacc85fcccb05f5b6c