# CVE-2026-104385: Groundhogg sensitive data exposure

Source: https://junglewise.ai/threats/cve-2026-104385-unauthenticated-sensitive-data-exposure-in-groundhogg-4-8-3  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-104385 · Severity: high · CVSS 7.5 · Published 2026-10-06

Groundhogg is a WordPress plugin for customer relationship management and email marketing. An unauthenticated vulnerability allows attackers to access sensitive information such as passwords, emails, and payment details without any login credentials. This could lead to wholesale exposure of customer and business data on affected WordPress sites.

Technologies: [Groundhogg](https://junglewise.ai/threats/technologies/groundhogg). Vendors: [Groundhogg](https://junglewise.ai/threats/vendors/groundhogg).

## Quick answers

**Is CVE-2026-104385 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-104385 being exploited in the wild.

**How severe is CVE-2026-104385?** High severity, with a CVSS score of 7.5, published 6 October 2026.

**Which products and versions are affected?** Groundhogg 4.8.3 and earlier.

**Is there a fix for CVE-2026-104385?** Yes: fixed in 4.9. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-104385 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-104385?** Check whether you run Groundhogg at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 4.9

## Technical details

The plugin versions 4.8.3 and earlier are vulnerable to sensitive data exposure accessible without authentication. Unauthenticated attackers over the network can retrieve private information including passwords, emails, and payment details. The vulnerability was patched in version 4.9.

## Affected products

- Groundhogg Groundhogg 4.8.3 and earlier

## Timeline

- 2026-10-05: disclosed
- 2026-10-05: patched

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/groundhogg/vulnerability/wordpress-groundhogg-plugin-4-8-3-sensitive-data-exposure-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/groundhogg/vulnerability/wordpress-groundhogg-plugin-4-8-3-sensitive-data-exposure-vulnerability?_s_id=cve)

## Related threats

- [Groundhogg privilege escalation via hardcoded support account identifiers](https://junglewise.ai/threats/cve-2026-92975-the-groundhogg-crm-newsletters-and-marketing-automation-plugin)
- [Groundhogg SQL injection vulnerability](https://junglewise.ai/threats/cve-2026-104408-improper-neutralization-of-special-elements-used-in-an-sql)
- [Groundhogg import_contacts path traversal](https://junglewise.ai/threats/cve-2026-85310-groundhogg-import-contacts-path-traversal)
- [Groundhogg open redirect in email preference confirmation](https://junglewise.ai/threats/cve-2026-81741-groundhogg-open-redirect-in-email-preference-confirmation)
- [Adrian Tobey Groundhogg path traversal arbitrary file deletion](https://junglewise.ai/threats/cve-2026-57389-adrian-tobey-groundhogg-path-traversal-arbitrary-file-deletion)