Open Redirect in Groundhogg — Crm, Newsletters, And Marketing Automation

CVE-2026-81741

The Groundhogg — CRM, Newsletters, and Marketing Automation WordPress plugin before 4.7.2 does not restrict the redirect target of its email preference confirmation flow to the site's own host, allowing unauthenticated attackers to redirect visitors to an arbitrary external URL by way of a crafted link.

Vulnerability class: Open Redirect

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

  • Unknown Groundhogg — Crm, Newsletters, And Marketing Automation

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-81741?
CVE-2026-81741 is a medium-severity vulnerability in Groundhogg — Crm, Newsletters, And Marketing Automation, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-09-09.
How severe is CVE-2026-81741?
Medium severity. CVSS v3 base score is 4.7 out of 10.