CVE-2024-13666

5.3 MEDIUM

Published: March 22, 2025 Modified: April 15, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3258647%40fluentform%2Ftrunk&old=3242624%40fluentform%2Ftrunk&sfp_email=&sfph_mail=

Source: security@wordfence.com

https://www.wordfence.com/threat-intel/vulnerabilities/id/e06fe8e4-e27a-4492-b175-3b0846e4cf10?source=cve

Source: security@wordfence.com

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.3 / 10.0

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-20

Related CVEs

CVE-2026-6398 N/A

CVE-2026-40261 8.8

CVE-2026-40186 6.1

CVE-2026-40176 7.8

CVE-2026-40173 9.4