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OpenAdvisories
Medium · 6.1 CVE-2026-17571 EUVD-2026-51790GHSA-pqrj-crjh-4764

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

Published Aug 1, 2026 · Updated Aug 3, 2026 · Assigned by Wordfence

Description

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.

Affected products

VendorProductAffectedFixed
wpmanageninja Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder ≤ 6.2.8 —

References