Groundhogg <= 3.7.3.5 - Authenticated (Author+) Arbitrary File Upload via gh_big_file_upload Function

8.8
Unrestricted Upload of File with Dangerous Type
CVE CVE-2025-0394
CVSS 8.8 (High)
Publicly Published January 13, 2025
Last Updated January 14, 2025
Researcher wesley (wcraft)

Description

The WordPress CRM, Email & Marketing Automation for WordPress | Award Winner — Groundhogg plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the gh_big_file_upload() function in all versions up to, and including, 3.7.3.5. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.

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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 3.7.3.6, or a newer patched version
Affected Version
  • <= 3.7.3.5
Patched Version
  • 3.7.3.6

Recent vulnerabilities in Groundhogg — CRM, Newsletters, and Marketing Automation

# Title CVE ID CVSS Researchers Date
1 Groundhogg — CRM, Newsletters, and Marketing Automation <= 4.4.1 - Authenticated (Sales Representative+) Arbitrary File Deletion CVE-2026-57389 8.1 she11f July 8, 2026
2 Groundhogg <= 4.5.8 - Authenticated (Custom+) SQL Injection via 'select' Parameter CVE-2026-14029 6.5 PRISM July 1, 2026
3 Groundhogg <= 4.5.5 - Authenticated (Sales Rep+) SQL Injection via 'query[select]' Parameter CVE-2026-13333 6.5 Chloe Chamberland, PRISM June 26, 2026
4 Groundhogg — CRM, Newsletters, and Marketing Automation <= 4.5 - Authenticated (Sales representative+) SQL Injection CVE-2026-57667 6.5 Jonathan Dersch June 26, 2026
5 Groundhogg <= 4.5.5 - Authenticated (Marketer+) SQL Injection via 'search' Parameter CVE-2026-13331 6.5 PRISM, Chloe Chamberland June 26, 2026
6 Groundhogg <= 4.5.4 - Authenticated (Custom+) SQL Injection via 'after' Parameter CVE-2026-13226 6.5 PRISM June 25, 2026
7 Groundhogg — CRM, Newsletters, and Marketing Automation < 4.4.1 - Missing Authorization CVE-2026-40793 4.3 Jakub Herman April 24, 2026
8 Groundhogg — CRM, Newsletters, and Marketing Automation <= 4.4 - Authenticated (Sales Representative+) Arbitrary File Deletion CVE-2026-40727 8.1 daroo April 16, 2026
9 Groundhogg <= 4.2.6.1 - Authenticated (Admin+) SQL Injection CVE-2025-12750 4.9 NAKLEH ZEIDAN November 20, 2025
10 Groundhogg <= 4.2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-64367 6.4 zaim October 31, 2025

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