CVE-2026-28140
Received Received - Intake

Unauthenticated Broken Access Control in JetFormBuilder

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: Patchstack

Description
Unauthenticated Broken Access Control in JetFormBuilder <= 3.6.4.1 versions.

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
CVE-2026-28140
EUVD
EUVD-2026-53943

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
jetformbuilder jetformbuilder to 3.6.4.1 (inc)
patchstack jetformbuilder to 3.6.4.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This is an unauthenticated broken access control vulnerability in JetFormBuilder plugin versions up to 3.6.4.1. It allows unauthenticated users to perform actions that require higher privileges due to missing authorization checks, authentication, or nonce token validation.

Detection Guidance

To detect this vulnerability, check the installed version of JetFormBuilder on your WordPress site. If the version is 3.6.4.1 or lower, the site is vulnerable. You can verify the version via the WordPress admin panel under Plugins or by inspecting the plugin files directly.

Impact Analysis

An attacker could exploit this to perform unauthorized actions on your website without needing to log in. This might include modifying settings, accessing sensitive data, or taking control of the site. The risk is considered high due to potential mass exploitation affecting many websites.

Mitigation Strategies

Immediately update JetFormBuilder to version 3.6.4.2 or later. If updating is not possible, disable the plugin temporarily or seek assistance from your hosting provider or developer. Enable auto-updates for the plugin if available.

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