CVE-2026-16655: high-severity vulnerability in wpmanageninja Fluent Forms – Customizable…
Fluent Forms <= 6.2.7 - Unauthenticated Stored Cross-Site Scripting via Name Field Nested `password` Member
Published
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 0.5%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
wpmanageninja · Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form BuilderRelated CVEs — wpmanageninja Fluent Forms – Customizable…
In the same product, most dangerous first.
CVE-2026-17567MEDIUMFluent Forms <= 6.2.8 - Unauthenticated Sensitive Information Exposure via Insecure Direct Object Reference and Weak Transaction Hash in 'transaction' ParameterEPSS 0.6%CVE-2026-18146HIGHFluent Forms <= 6.2.11 - Unauthenticated Stored Cross-Site Scripting via Notification Smartcode ValuesEPSS 0.5%CVE-2026-17571MEDIUMFluent Forms <= 6.2.8 - Reflected Cross-Site Scripting via 'param'EPSS 0.4%CVE-2026-5069MEDIUMFluent Forms <= 6.2.1 - Incorrect Authorization to Authenticated (Subscriber+) Arbitrary Subscription Cancellation via 'subscription_id'EPSS 0.3%CVE-2026-101324MEDIUMFluent Forms <= 6.2.14 - Reflected Cross-Site Scripting via '{get.*}' Editor SmartCode ParameterEPSS 0.2%CVE-2026-15178MEDIUMFluent Forms <= 6.2.5 - Missing Authorization to Authenticated (Custom+) Sensitive Data Exposure and ModificationEPSS 0.2%
References
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Hooks/Ajax.php#L17https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Modules/Form/FormDataParser.php#L317https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Modules/SubmissionHandler/SubmissionHandler.php#L20https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Services/Form/SubmissionHandlerService.php#L123https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/app/Services/Integrations/GlobalNotificationService.php#L59https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.6/boot/globals.php#L110https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Hooks/Ajax.php#L17https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Modules/Form/FormDataParser.php#L317https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Modules/SubmissionHandler/SubmissionHandler.php#L20https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Services/Form/SubmissionHandlerService.php#L123https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/app/Services/Integrations/GlobalNotificationService.php#L59https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.7/boot/globals.php#L110