Groundhogg <= 4.2.1 - Authenticated (Sales Rep+) Arbitrary File Upload

Unrestricted Upload of File with Dangerous Type
CVE CVE-2025-48300
CVSS High (8.8)
Publicly Published July 4, 2025
Last Updated July 8, 2025
Researcher Gai Tanaka (63n0)
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 all versions up to, and including, 4.2.1. This makes it possible for authenticated attackers, with sales rep-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

References

1 affected software package

Software Type Plugin
Software Slug groundhogg (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.2.1
Patched Version
  • 4.2.2
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