Medium severity · published Sep 9, 2026
CVE-2026-81741
Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter
4.7
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GC
Groundhogg — CRM, Newsletters, and Marketing Automation ·
before 4.7.2 · source: vendor
Affected product
GC
Groundhogg — CRM, Newsletters, and Marketing Automation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-81741
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-81741
wpscan.com
https://wpscan.com/vulnerability/4bfdee51-f2d0-4549-a9b4-5f4e11f2de4c/
More from Groundhogg — CRM, Newsletters, and Marketing Automation
8.8
CVE-2026-81660
Groundhogg < 4.5.13 - Unauthenticated Stored XSS via Web Form Dropdown/Radio Field