Vulnerability · Published Sep 9, 2026 · Assigned by WPScan
CVE-2026-81741Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter
Medium 4.7
In plain English
A medium-severity open redirect in Groundhogg — CRM, Newsletters, and Marketing Automation from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.3%top 78.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Groundhogg — CRM, Newsletters, and Marketing Automation | 0 – before 4.7.2 |
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
References
- https://wpscan.com/vulnerability/4bfdee51-f2d0-4549-a9b4-5f4e11f2de4c/ exploit, vdb-entry, technical-description