CVE-2026-81741

Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter

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.

Affected

Groundhogg — CRM, Newsletters, and Marketing Automation

CVSS v3.1 CNA

4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2026-09-09

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/4bfdee51-f2d0-4549-a9b4-5f4e11f2de4c/

References

• CVE Record
• NVD entry