The Login/Signup Popup ( Inline Form + Woocommerce ) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's xooelaction shortcode in all versions up to, and including, 2.8.5 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 Login/Signup Popup ( Inline Form + Woocommerce ) plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the ‘exportsettings’ function in versions 2.7.1 to 2.7.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read arbitrary options on affected sites.

Multiple plugins for WordPress utilizing the XootiX Framework are vulnerable to unauthorized modification of data due to a missing capability check on the 'importsettings' function in various versions. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change arbitrary options on affected sites. This can be used to enable new user registration and set the default role for new users to Administrator.

The Login/Signup Popup plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on several functions in versions up to, and including, 1.4. This makes it possible for authenticated attackers to inject arbitrary web scripts into the plugin settings that execute if they can successfully trick a user into performing an action such as clicking on a link.