The Newsmatic theme for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.3.0 via the 'newsmatic_filter_posts_load_tab_content'. This makes it possible for unauthenticated attackers to view draft posts and post content.
https://themes.trac.wordpress.org/browser/newsmatic/1.3.0/inc/template-functions.php#L634