Contact Form Builder Plugin: Multi Step Contact Form, Payment Form, Custom Contact Form Plugin by Bit Form <= 2.10.1 - Unauthenticated Insecure Direct Object Reference to Form Submission Alteration

5.3
Authorization Bypass Through User-Controlled Key
CVE CVE-2024-1640
CVSS 5.3 (Medium)
Publicly Published March 13, 2024
Last Updated March 13, 2024
Researcher Lucio Sá

Description

The Contact Form Builder Plugin: Multi Step Contact Form, Payment Form, Custom Contact Form Plugin by Bit Form plugin for WordPress is vulnerable to unauthorized modification of data due to a insufficient user validation on the bitforms_update_form_entry AJAX action in all versions up to, and including, 2.10.1. This makes it possible for unauthenticated attackers to modify form submissions.

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Vulnerability Details for Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder

Software Type Plugin
Software Slug bit-form (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.10.2, or a newer patched version
Affected Version
  • <= 2.10.1
Patched Version
  • 2.10.2

Recent vulnerabilities in Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder

# Title CVE ID CVSS Researchers Date
1 Bit Form <= 3.2.0 - Authenticated (Administrator+) SQL Injection via 'filterText' Parameter CVE-2026-16810 6.5 Wordfence PRISM August 13, 2026
2 Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder < 3.1.4 - Authenticated (Administrator+) Stored Cross-Site Scripting CVE-2025-15669 4.4 Dmitrii Ignatyev August 1, 2026
3 Bit Form – Contact Form, Payment Forms, Multi Step Forms, Calculator & Custom Form Builder < 3.1.2 - Missing Authorization to Unauthenticated Unauthorized Form Submission CVE-2026-15054 5.3 Charles Vosburgh July 30, 2026
4 Bit Form <= 3.1.0 - Unauthenticated Stored Cross-Site Scripting CVE-2026-16573 7.2 Abdullah Kareem July 27, 2026
5 Bit Form <= 3.1.1 - Authenticated (Subscriber+) Arbitrary File Deletion via '_old' Parameter CVE-2026-14372 7.1 Athiwat Tiprasaharn (Jitlada), Itthidej Aramsri (Boeing777) July 8, 2026
6 Bit Form <= 3.0.0 - Missing Authorization CVE-2026-13694 5.3 Davud Sahibzada June 30, 2026
7 Bit Form <= 3.0.0 - Unauthenticated Arbitrary File Read CVE-2026-13693 7.5 Davud Sahibzada June 30, 2026
8 Bit Form <= 2.21.10 - Authenticated (Administrator+) SQL Injection CVE-2026-25418 4.9 Trương Hữu Phúc (truonghuuphuc) January 28, 2026
9 Bit Form – Contact Form Plugin <= 2.21.6 - Missing Authorization to Unauthenticated Workflow Replay CVE-2025-14901 6.5 andrea bocchetti January 6, 2026
10 Contact Form by Bit Form - Bit Form <= 2.20.3 - Unauthenticated Arbitrary File Upload CVE-2025-6679 9.8 Phat RiO August 14, 2025

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