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CVE-2026-81660

HIGH 8.8 CVSS 3.1
Published
August 30, 2026
Last modified
August 31, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Affected WordPress components

  • Groundhogg — CRM, Newsletters, and Marketing Automation Plugin · groundhogg
    Confirmed match Active
    Before 4.5.13
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Groundhogg — CRM, Newsletters, and Marketing Automation — Before 4.5.13

References

  • wpscan.com https://wpscan.com/vulnerability/cfdb4107-6010-4c29-baf3-3111765f48c2/
  • nvd.nist.gov Official NVD record