Improper Redirect Vulnerability in Groundhogg WordPress Plugin
CVE-2026-81741

4.7MEDIUM

Key Information:

Vendor

WordPress
Status
Groundhogg — Crm, Newsletters, And Marketing Automation
Vendor
CVE Published:
9 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-81741?

The Groundhogg WordPress plugin, before version 4.7.2, is susceptible to an improper redirect vulnerability. This flaw allows attackers to manipulate the email preference confirmation flow, leading to the potential redirection of unsuspecting users to arbitrary external URLs. By crafting malicious links, unauthorized individuals can exploit this vulnerability, exposing users to phishing attacks or distributing malware without any authentication barriers.

Affected Version(s)

Groundhogg — CRM, Newsletters, and Marketing Automation 0 < 4.7.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-81741 - Proof of Concept

References

https://wpscan.com/vulnerability/4bfdee51-f2d0-4549-a9b4-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yaswanth Reddy Sunkara
WPScan
.