CVE-2026-13226
Groundhogg <= 4.5.4 - Authenticated (Custom+) SQL Injection via 'after' Parameter
Description
The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to generic SQL Injection via the 'after' parameter in all versions up to, and including, 4.5.4 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Sales Manager-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The AJAX handler wp_ajax_groundhogg_get_contacts_table has its capability check commented out and performs no nonce verification, meaning any authenticated user regardless of role can reach the vulnerable code path.
INFO
Published Date :
June 26, 2026, 1:27 a.m.
Last Modified :
June 26, 2026, 1:27 a.m.
Remotely Exploit :
No
Source :
Wordfence
Affected Products
The following products are affected by CVE-2026-13226
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Groundhogg plugin to the latest version.
- Ensure proper input validation is implemented.
- Use prepared statements for all SQL queries.
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CVE-2026-13226 vulnerability anywhere in the article.