Responsive Contact Form Builder & Lead Generation Plugin <= 1.9.7 - Authenticated (Admin+) Stored Cross-Site Scripting

6.6
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2024-3637
CVSS 6.6 (Medium)
Publicly Published April 12, 2024
Last Updated July 8, 2025
Researcher Mohamed Azarudheen

Description

The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.9.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Lead Form Builder & Contact Form

Software Type Plugin
Software Slug lead-form-builder (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.9.8, or a newer patched version
Affected Version
  • <= 1.9.7
Patched Version
  • 1.9.8

Recent vulnerabilities in Lead Form Builder & Contact Form

# Title CVE ID CVSS Researchers Date
1 Lead Form Builder & Contact Form <= 2.0.1 - Unauthenticated Stored Cross-Site Scripting CVE-2026-32532 7.2 daroo March 23, 2026
2 Responsive Contact Form Builder & Lead Generation Plugin <= 2.0.1 - Unauthenticated Stored Cross-Site Scripting CVE-2026-1454 7.2 Youssef Elouaer March 10, 2026
3 Contact Form & Lead Form Elementor Builder <= 2.0.1 - Authenticated (Subscriber+) Information Exposure CVE-2025-68046 4.3 benzdeus January 20, 2026
4 Responsive Contact Form Builder & Lead Generation Plugin <= 1.9.7 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2024-10475 4.4 Krugov Artyom March 3, 2025
5 Responsive Contact Form Builder & Lead Generation Plugin <= 1.9.1 - Authenticated (Subscriber+) Arbitrary Shortcode Execution CVE-2024-4261 5.4 stealthcopter May 21, 2024
6 Responsive Contact Form Builder & Lead Generation Plugin <= 1.8.9 - Missing Authorization CVE-2024-1416 4.3 Duc Manh April 11, 2024
7 Responsive Contact Form Builder & Lead Generation Plugin <= 1.8.9 - Cross-Site Request Forgery CVE-2024-1415 4.3 Duc Manh April 11, 2024
8 Multiple Plugins By ThemeHunk (Various Versions) - Missing Authorization via settings_init CVE-2023-25969 6.5 István Márton March 22, 2023
9 Contact Form & Lead Form Elementor Builder < 1.7.4 - Arbitrary Settings Change CVE-2022-23180 6.3 R3N0 February 1, 2022
10 Responsive Contact Form Builder & Lead Generation Plugin < 1.7.0 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2022-23179 4.4 R3N0 January 5, 2022

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