YzmCMS v6.3 is affected by broken access control. Without login, unauthorized access to the user's personal home page can be realized. It is necessary to judge the user's login status before accessing the personal home page, but the vulnerability can access other users' home pages through the non login status because real authentication is not carried out.

YzmCMS v6.3 is affected by Cross Site Request Forgery (CSRF) in /admin.add

The comment function in YzmCMS v6.3 was discovered as being able to be operated concurrently, allowing attackers to create an unusually large number of comments.

YzmCMS v6.3 was discovered to contain a Cross-Site Request Forgey (CSRF) via the component /yzmcms/comment/index/init.html.

YzmCMS v6.3 was discovered to contain a Cross-Site Request Forgery (CSRF) which allows attackers to arbitrarily delete user accounts via /admin/admin_manage/delete.