The BuddyForms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'buddyforms_form_content' parameter in all versions up to, and including, 2.10.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is exploitable when a form configured with the public_submit option is published — a condition met by the plugin's bundled Post Simple template out of the box.