Auth bypass in Trainingbusinesspros Groundhogg — Crm, Newsletters, And Marketing Automation

CVE-2026-11454

The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.5.2 via the GET /wp-json/gh/v4/contacts/<id> REST endpoint. The endp…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11454?
CVE-2026-11454 is a medium-severity vulnerability in Trainingbusinesspros Groundhogg — Crm, Newsletters, And Marketing Automation, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-05.
How severe is CVE-2026-11454?
Medium severity. CVSS v3 base score is 6.5 out of 10.