Groundhogg <= 4.9.3 - Authenticated (Sales Representative+) Arbitrary File Deletion via Contact File Copying
- ID
- WPSEC-2026-0955
- Plugin
- Groundhogg — CRM, Newsletters, and Marketing Automation (groundhogg)
- Affected
- all versions before 4.9.4
- Remediation
- Update to 4.9.4 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- Weakness
- CWE-22
- Usage
- Plugin Low · Affected versions Low among sites WPSec scans, 2026-10-14
- Attack surface
- Groundhogg on WPSec AttackSurface
- Fix released
- Published
Description
The Groundhogg plugin for WordPress is vulnerable to arbitrary file deletion via the contact file copy feature ('files' and 'copy_file' contact fields used by the REST API and contact imports) in all versions up to, and including, 4.9.3, due to insufficient validation of the source file path in the File_Box::copy_file() function. When a local path outside the uploads directory was supplied, the sideload was rejected and the plugin then deleted the supplied path. This makes it possible for authenticated attackers, with Sales Representative-level access and above, to delete arbitrary files on the server, such as wp-config.php, which can make remote code execution possible.
References
- https://wpsec.com/vuln/WPSEC-2026-0955/
- https://plugins.svn.wordpress.org/groundhogg/tags/4.9.4/
- https://wordpress.org/plugins/groundhogg/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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