The Ultimate Post Kit Addons For Elementor – (Post Grid, Post Carousel, Post Slider, Category List, Post Tabs, Timeline, Post Ticker, Tag Cloud) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘url’ parameter within the Social Count (Static) widget in all versions up to, and including, 3.11.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.