CVE-2026-40793 MEDIUM

CVE-2026-40793: WordPress Groundhogg plugin < 4.4.1 - Broken Access Control vulnerability

Vendor Groundhogg
Product Groundhogg
Weakness CWE-862 · Missing authorization
Published June 15, 2026
Last update June 16, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Subscriber Broken Access Control in Groundhogg < 4.4.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Groundhogg versions before 4.4.1 lack proper authorization checks, allowing authenticated users to modify data they should not have access to. An attacker with a low-privilege account can change records without restriction. The vulnerability does not expose sensitive information or disrupt service availability, but integrity of stored data is at risk.

What an attacker can do

03Attacker Capabilities

Modify or change data in Groundhogg without proper permission checks.

Potential impact on your site

04Site Impact

Unauthorized users can alter Groundhogg records, potentially corrupting contact data, campaigns, or other stored information.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the site.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 16, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-12557 Ninja Forms - File Uploads <= 3.3.29 - Missing Authorization to Unauthenticated Log Disclosure and Deletion via debug-log/delete-all and debug-log/get-all REST Endpoints CVE-2026-12902 Kadence Blocks <= 3.7.7 - Missing Authorization to Authenticated (Contributor+) Arbitrary Media Attachment Creation via kadence_import_process_pattern/kadence_import_process_data AJAX Actions CVE-2026-1239 Ninja Forms <= 3.14.1 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via token/refresh REST Endpoint CVE-2026-57669 WordPress Advanced Contact form 7 DB plugin <= 2.0.9 - Broken Access Control vulnerability CVE-2026-13459 JetFormBuilder <= 3.6.3 - Missing Authorization to Unauthenticated Sensitive Information Disclosure via 'context' Parameter