What’s Vulnerable › Vulnerabilities

CVE-2024-6703: Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder <= 5.1.19 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Welcome Screen Fields

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-27 · updated 2026-06-17
• Weakness: CWE-79

Description

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘description’ and 'btn_txt' parameters in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for attackers with the Form Manager permissions and Subscriber+ user role, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder: before 5.1.20 — fixed in 5.1.20

How to fix

Upgrade to a fixed version: techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder 5.1.20. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Services/FluentConversational/Classes/Elements/WelcomeScreen.php
• https://plugins.trac.wordpress.org/changeset/3125227/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/69dc9236-8079-434f-b2b5-060a0c5eba46?source=cve
• https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Services/FluentConversational/Classes/Elements/WelcomeScreen.php
• https://plugins.trac.wordpress.org/changeset/3125227/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/69dc9236-8079-434f-b2b5-060a0c5eba46?source=cve

Get alerted when CVE-2024-6703 or the next vulnerability affects your stack