Medium severity6.4NVD Advisory· Published May 13, 2026· Updated May 13, 2026
CVE-2026-6828
CVE-2026-6828
Description
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.
AI Insight
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Patches
Vulnerability mechanics
References
6- plugins.trac.wordpress.org/browser/fluentform/tags/6.1.20/app/Modules/Component/Component.phpnvd
- plugins.trac.wordpress.org/browser/fluentform/tags/6.1.20/app/Modules/Component/Component.phpnvd
- plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Component/Component.phpnvd
- plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Component/Component.phpnvd
- plugins.trac.wordpress.org/changesetnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/ce2d2594-e856-4249-9467-01c0fe1c0c71nvd
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