CVE-2024-1640 - CVE House
Back to Database
Status published Medium CVE-2024-1640

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-1640

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Lucio Sá

References

More from bitpressadmin

View All →
CVE-2025-6679
Contact Form by Bit Form - Bit Form <= 2.20.3 - Unauthenticated Arbitrary File Upload
Critical 9.8
CVE-2025-2580
Contact Form by Bit Form <= 2.18.3 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload
Medium 4.9
CVE-2025-1725
Bit File Manager – 100% Free & Open Source File Manager and Code Editor for WordPress <= 6.7 - Authenticated (Subscriber+) Stored Cross-Site Scripting via SVG File Uploads
Medium 6.4
CVE-2025-14901
Bit Form – Contact Form Plugin <= 2.21.6 - Missing Authorization to Unauthenticated Workflow Replay
Medium 6.5
CVE-2025-0822
Bit Assist <= 1.5.2 - Path Traversal to Authenticated (Subscriber+) Arbitrary File Read via fileID Parameter
Medium 6.5

Affected Vendor

bitpressadmin

View all reports →

Affected Software

Bit Form – Custom Contact Form, Multi Step, Conversational Form & Payment Form builder
Vulnerable Versions:
0

Timeline

Official Publish: March 13th, 2024
Last Modified: April 8th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

CWE-639

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1213 Data from Information Repositories
Collection
T1021 Remote Services
Lateral Movement
T1098 Account Manipulation
Privilege Escalation