CVE-2026-28140 HIGH

CVE-2026-28140: WordPress JetFormBuilder plugin <= 3.6.4.1 - Broken Access Control vulnerability

Vendor Jetmonsters
Product JetFormBuilder
Weakness CWE-862 · Missing authorization
Published August 6, 2026
Last update August 6, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in JetFormBuilder <= 3.6.4.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

JetFormBuilder versions up to 3.6.4.1 lack proper authorization checks, allowing unauthenticated attackers to modify form data or settings over the network. The vulnerability requires no user interaction and can be exploited remotely. Site administrators should update to version 3.6.5 or later to restore access controls.

What an attacker can do

03Attacker Capabilities

Modify form data, settings, or submissions without authentication.

Potential impact on your site

04Site Impact

Forms and their data can be altered or deleted by anyone on the internet without logging in.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 6, 2026 CVE published
August 6, 2026 Record updated

Related vulnerabilities

08Related CVE