Input validation vulnerability in WP Chat App 3.6.4

The WP Chat App plugin for WordPress has a security issue that could allow harmful code to be inserted into certain pages. This can happen if someone with high-level access to the site, like an administrator, makes changes to the plugin’s settings. This vulnerability affects all versions of the plugin up to version 3.6.4 and is caused by not properly filtering and escaping user input. This only impacts sites with multiple installations or with a specific security setting disabled.