The WP Chat App plugin for WordPress is vulnerable to unauthorized plugin installation due to a missing capability check on the ajax_install_plugin() function in all versions up to, and including, 3.6.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install the filebird plugin.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The WP Chat App WordPress plugin before 3.6.5 does not sanitise and escape some of its settings, which could allow high privilege users such as admins to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed.

The WP Chat App WordPress plugin before 3.6.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admins to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

The WP Chat App plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'imageAlt' block attribute in all versions up to, and including, 3.6.2 due to insufficient input sanitization and output escaping on user supplied attributes. 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.

The WP Chat App plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's widget/block in all versions up to, and including, 3.6.1 due to insufficient input sanitization and output escaping on user supplied attributes such as 'buttonColor' and 'phoneNumber'. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NinjaTeam WP Chat App allows Stored XSS.This issue affects WP Chat App: from n/a through 3.4.4.