Input validation vulnerability in Magazine Blocks – Blog Designer, Magazine & Newspaper Website Builder, Page Builder with Posts Blocks, Post Grid 1.3.6

A popular WordPress plugin called Magazine Blocks – Blog Designer, Magazine & Newspaper Website Builder, Page Builder with Posts Blocks, and Post Grid is at risk for a type of security vulnerability known as Stored Cross-Site Scripting. This is because the plugin does not properly clean and protect user input, allowing hackers to insert harmful code into pages that will run when a user visits the page. This can be exploited by attackers who do not have login credentials and can cause serious harm to users.