trainingbusinesspros Groundhogg Plugin up to 4.9.3 on WordPress File Copy copy_file path traversal

Summaryinfo

A vulnerability labeled as problematic has been found in trainingbusinesspros Groundhogg Plugin up to 4.9.3. This affects the function copy_file of the component File Copy. Such manipulation leads to path traversal. This vulnerability is listed as CVE-2026-109221. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in trainingbusinesspros Groundhogg Plugin up to 4.9.3 and classified as problematic. Affected by this issue is the function copy_file of the component File Copy. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is integrity, and availability. CVE summarizes:

The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the copy_file function in all versions up to, and including, 4.9.3 This makes it possible for authenticated attackers, with Sales Representative-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). This is exploitable by any user holding the plugin-defined import_contacts capability, which is granted by default to the plugin's custom Sales Representative role.

The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2026-109221 since 10/12/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/16/2026). The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• trainingbusinesspros

Name

• Groundhogg Plugin

Version

• 4.9.0
• 4.9.1
• 4.9.2
• 4.9.3

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CPE 2.2info

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