What’s Vulnerable › Vulnerabilities
CVE-2026-81741: Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter
- Severity: medium (CVSS 4.7 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: 2026-09-09 · updated 2026-09-09
- Weakness: CWE-601
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.
Affected products
- Groundhogg — CRM, Newsletters, and Marketing Automation: before 4.7.2 — fixed in 4.7.2
How to fix
Upgrade to a fixed version: Groundhogg — CRM, Newsletters, and Marketing Automation 4.7.2. Check the vendor advisory for mitigations.
References
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