Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.8/app/Modules/Com
- https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.8/app/Modules/Com
- https://plugins.trac.wordpress.org/changeset/3625751/fluentform/trunk/app/Module
- https://plugins.trac.wordpress.org/changeset?old_path=%2Ffluentform/tags/6.2.8&n
- https://www.wordfence.com/threat-intel/vulnerabilities/id/547008fe-2585-4089-a71
FAQ
What is CVE-2026-17571?
CVE-2026-17571 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 i...
How severe is CVE-2026-17571?
CVE-2026-17571 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-17571?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.