CVE-2026-81741

Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter

Published Sep 9, 2026 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions groundhogg
Vendors & Products Wordpress-extensions
Wordpress-extensions groundhogg
Type Values Removed Values Added
Weaknesses CWE-601
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 9, 2026, 3:38 PM
Reserved
Aug 27, 2026, 11:49 AM
Status
Deferred
Published
Sep 9, 2026, 6:17 AM
Modified
Sep 9, 2026, 4:17 PM