The7 — Ultimate WordPress & WooCommerce Theme <= 12.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'the7_fancy_title_css'

The The7 — Website and eCommerce Builder for WordPress theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘ the7_fancy_title_css’ parameter in all versions up to, and including, 12.9.1 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.