# CVE-2026-13331: Groundhogg CRM SQL injection in search parameter

Source: https://junglewise.ai/threats/cve-2026-13331-groundhogg-crm-sql-injection-in-search-parameter  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-27. Updated: 2026-06-27  
License: CC BY 4.0 with a link back

CVE-2026-13331 · Severity: medium · CVSS 6.5 · Published 2026-06-27

Groundhogg is a WordPress plugin used for managing customer relationships, email newsletters, and marketing automation. A security flaw in the plugin's search feature allows authorized users with 'marketer' level access or higher to perform unauthorized database queries. This could lead to the exposure of sensitive customer data and internal business information stored in the website's database.

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

## Quick answers

**Is CVE-2026-13331 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-13331 being exploited in the wild.

**How severe is CVE-2026-13331?** Medium severity, with a CVSS score of 6.5, published 27 June 2026.

**Which products and versions are affected?** Groundhogg up to, and including, 4.5.5.

**Is there a fix for CVE-2026-13331?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-13331 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-13331?** 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.

## Technical details

The Groundhogg plugin for WordPress is vulnerable to SQL Injection via the 'search' parameter in versions up to and including 4.5.5. The vulnerability stems from insufficient escaping of user-supplied input and a lack of proper SQL query preparation in several components, including the base-object-api and database handling scripts. An authenticated attacker with 'marketer' level privileges or higher can exploit this by injecting malicious SQL commands into existing queries. This allows for the extraction of sensitive data from the WordPress database. The issue is addressed in subsequent updates via improved input sanitization and the use of prepared statements.

## Affected products

- trainingbusinesspros Groundhogg — CRM, Newsletters, and Marketing Automation up to, and including, 4.5.5

## Timeline

- 2026-06-27: disclosed

## References

- [https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/api/v4/base-object-api.php](https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/api/v4/base-object-api.php)
- [https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/db.php](https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/db.php)
- [https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/db.php](https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/db.php)
- [https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/steps.php](https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/steps.php)
- [https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/steps.php](https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.5/db/steps.php)
- [https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3586389%40groundhogg&new=3586389%40groundhogg&sfp_email=&sfph_mail=](https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3586389%40groundhogg&new=3586389%40groundhogg&sfp_email=&sfph_mail=)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/20ee6bc7-2732-4da3-b005-a971d12b0e32?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/20ee6bc7-2732-4da3-b005-a971d12b0e32?source=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 sensitive data exposure](https://junglewise.ai/threats/cve-2026-104385-unauthenticated-sensitive-data-exposure-in-groundhogg-4-8-3)
- [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)