🔐 CVE Alert

CVE-2026-17571

MEDIUM 6.1

Fluent Forms <= 6.2.8 - Reflected Cross-Site Scripting via 'param'

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

CWE CWE-79
Vendor wpmanageninja
Product fluent forms – customizable contact forms, survey, quiz, & conversational form builder
Published Aug 1, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

wpmanageninja / Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
0 ≤ 6.2.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/547008fe-2585-4089-a710-71a83ae3d829?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.8/app/Modules/Component/Component.php#L1456 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.8/app/Modules/Component/Component.php#L1452 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?old_path=%2Ffluentform/tags/6.2.8&new_path=%2Ffluentform/tags/6.2.9 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3625751/fluentform/trunk/app/Modules/Component/Component.php

Credits

Osvaldo Noe Gonzalez Del Rio (Os)