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

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-15 · updated 2026-10-23
Weakness: CWE-862

Description

Subscriber Broken Access Control in Groundhogg < 4.4.1 versions.

Affected products

trainingbusinesspros Groundhogg — CRM, Newsletters, and Marketing Automation: before 4.4.1 — fixed in 4.4.1

How to fix

Upgrade to a fixed version: trainingbusinesspros Groundhogg — CRM, Newsletters, and Marketing Automation 4.4.1. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/wordpress/plugin/groundhogg/vulnerability/wordpress-groundhogg-plugin-4-4-1-broken-access-control-vulnerability?_s_id=cve

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