Groundhogg — CRM, Newsletters, and Marketing Automation < 4.5.13 - Unauthenticated Stored Cross-Site Scripting
| CVE | CVE-2026-81660 |
|---|---|
| CVSS | 7.2 (High) |
| Publicly Published | August 31, 2026 |
| Last Updated | September 1, 2026 |
| Researcher |
Artus KG
|
Description
The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to 4.5.13. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.
References
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Vulnerability Details for Groundhogg — CRM, Newsletters, and Marketing Automation
| Software Type | Plugin |
|---|---|
| Software Slug | groundhogg (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 4.5.13, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in Groundhogg — CRM, Newsletters, and Marketing Automation
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