CVE-2026-16655

EUVD-2026-50270
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
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
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/boot/globals.php#L110
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Hooks/Ajax.php#L17
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Modules/Form/FormDataParser.php#L317
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Modules/SubmissionHandler/SubmissionHandler.php#L20
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Services/Form/SubmissionHandlerService.php#L123
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Services/Integrations/GlobalNotificationService.php#L59
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/boot/globals.php#L110
https://plugins.trac.wordpress.org/changeset/3619584/fluentform/trunk/boot/globals.php
https://plugins.trac.wordpress.org/changeset?old_path=%2Ffluentform/tags/6.2.7&new_path=%2Ffluentform/tags/6.2.8
https://www.wordfence.com/threat-intel/vulnerabilities/id/635e19ba-da98-459c-ab91-ff969b0812fd?source=cve