A vulnerability classified as problematic has been found in Ultra Addons for Contact Form 7 Plugin up to 3.5.21 on WordPress. This affects the function UACF7_CUSTOM_FIELDS of the component Shortcode Handler. The manipulation leads to cross site scripting.

This vulnerability is uniquely identified as CVE-2025-6756. It is possible to initiate the attack remotely. There is no exploit available.