To update WordPress Core from BlogVault dashboard: 

Step 1: Go to BlogVault website and sign in using your email ID. 

Step 2: On the BlogVault site listing page, select the website of your choice.


Step 3: It'll take you to the Site Detail page. In this page, you can find card to manage updates for Plugins, Themes and WordPress core. Select WordPress tab there.

Step 4: Click on Update button

Step 5: Once updated, you will get a notification on your dashboard.