CVE-2026-16655

Description

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Name Field Nested `password` Member in all versions up to, and including, 6.2.7 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.

References

• https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Hooks/Ajax.php#L17
• https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Modules/Form/FormDataParser.php#L317
• https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Modules/SubmissionHandler/SubmissionHandler.php#L20
• https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Services/Form/SubmissionHandlerService.php#L123
• https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Services/Integrations/GlobalNotificationService.php#L59