What’s Vulnerable › Vulnerabilities

CVE-2024-13666: Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder <= 5.2.12 - IP-Spoofing

• Severity: medium (CVSS 5.3 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: 2025-03-22 · updated 2026-06-17
• Weakness: CWE-20

Description

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 5.2.12 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers spoof their IP address and submit forms that may have IP-based restrictions.

Affected products

• techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder: through 5.2.12

References

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3258647%40fluentform%2Ftrunk&old=3242624%40fluentform%2Ftrunk&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e06fe8e4-e27a-4492-b175-3b0846e4cf10?source=cve

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