The Groundhogg — CRM, Newsletters, and Marketing Automation WordPress plugin before 4.5.13 does not validate or escape values submitted to some optional web form fields before storing them and outputting them back in an administrative area, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against high privilege users.

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Fixes

Solution

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History

Mon, 31 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 30 Aug 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Groundhogg
Groundhogg groundhogg
Wordpress
Wordpress wordpress
Vendors & Products Groundhogg
Groundhogg groundhogg
Wordpress
Wordpress wordpress

Sun, 30 Aug 2026 06:30:00 +0000

Type Values Removed Values Added
Description The Groundhogg — CRM, Newsletters, and Marketing Automation WordPress plugin before 4.5.13 does not validate or escape values submitted to some optional web form fields before storing them and outputting them back in an administrative area, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against high privilege users.
Title Groundhogg < 4.5.13 - Unauthenticated Stored XSS via Web Form Dropdown/Radio Field
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-31T12:38:06.133Z

Reserved: 2026-08-27T10:06:26.911Z

Link: CVE-2026-81660

cve-icon Vulnrichment

Updated: 2026-08-31T12:30:13.199Z

cve-icon NVD

Status : Deferred

Published: 2026-08-30T07:17:21.790

Modified: 2026-08-31T20:14:36.250

Link: CVE-2026-81660

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-31T15:15:14Z

Weaknesses