PT-2026-40561 · Techjewel · Fluent Forms – Customizable Contact Forms

Djaidja Moundjid · Published 2026-05-13 · Updated 2026-05-13 · CVE-2026-6828

Mitre

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'permission message' parameter in all versions up to, and including, 6.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-6828

Affected Products

Fluent Forms – Customizable Contact Forms

References · 6

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3513845%40fluentform&new=3513845%40fluentform&sfp_email=&sfph_mail= · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/ce2d2594-e856-4249-9467-01c0fe1c0c71?source=cve · Note
• https://plugins.trac.wordpress.org/browser/fluentform/tags/6.1.20/app/Modules/Component/Component.php#L467 · Note
• https://plugins.trac.wordpress.org/browser/fluentform/tags/6.1.20/app/Modules/Component/Component.php#L513 · Note
• https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Component/Component.php#L513 · Note
• https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Component/Component.php#L467 · Note