CVE-2026-81741 Groundhogg < 4.7.2 - Open Redirect via 'redirect_to' Parameter
Unauthenticated attackers can redirect users to arbitrary external URLs via the email preference confirmation flow in the Groundhogg WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-81741?
CVE-2026-81741 is a medium-severity vulnerability in Unknown Groundhogg — CRM, Newsletters, and Marketing Automation, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-601
Which versions are affected by CVE-2026-81741?
How do I fix CVE-2026-81741?
No fix has been published for CVE-2026-81741 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-81741 being exploited?
There is no known exploitation of CVE-2026-81741 in the wild and no public exploit code.
Sources
Also known as GHSA-m96f-c5vh-h7cm.