{"id":"CVE-2026-11454","aliases":["EUVD-2026-53177","GHSA-52xv-wqqv-x9g6"],"status":"published","title":"Groundhogg — CRM, Newsletters, and Marketing Automation \u003c= 4.5.2 - Insecure Direct Object Reference","description":"The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.5.2 via the GET /wp-json/gh/v4/contacts/\u003cid\u003e REST endpoint. The endpoint's permission callback checks only the role-level view_contacts capability and read_single() returns the full contact record by sequential integer ID without the object-level view_contact ownership check applied elsewhere in the codebase. This makes it possible for authenticated attackers holding view_contacts but not view_others_contacts — notably Groundhogg's built-in Sales Rep role, designed to see only its own contacts — to read any contact record on the site, including PII, contact meta, owner IDs, the admin edit URL, and (for contacts linked to a WordPress user) that user's full capability set.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0054,"percentile":0.45867,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-08-05T06:37:56Z","modified":"2026-08-12T21:00:37Z","products":[{"vendor":"trainingbusinesspros","product":"groundhogg — crm, newsletters, and marketing automation"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7fe3d251-4edf-4d94-a946-0aa918135784?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.2/api/v4/contacts-api.php#L426"},{"url":"https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.2/api/v4/contacts-api.php#L946"},{"url":"https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.2/api/v4/base-object-api.php#L124"},{"url":"https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.2/includes/main-roles.php#L163"},{"url":"https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.2/includes/main-roles.php#L374"},{"url":"https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.2/includes/main-roles.php#L43"},{"url":"https://plugins.trac.wordpress.org/changeset?new=3569222%40groundhogg%2Ftags%2F4.5.3\u0026old=3562726%40groundhogg%2Ftags%2F4.5.2"},{"url":"https://plugins.trac.wordpress.org/browser/groundhogg/tags/4.5.3/api/v4/contacts-api.php#L437"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11454"},{"url":"https://github.com/advisories/GHSA-52xv-wqqv-x9g6"}],"sources":{"cve":[{"id":"CVE-2026-11454","title":"Groundhogg — CRM, Newsletters, and Marketing Automation \u003c= 4.5.2 - Insecure Direct Object Reference","description":"The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.5.2 via the GET /wp-json/gh/v4/contacts/\u003cid\u003e REST endpoint. The endpoint's permission callback checks only the role-level view_contacts capability and read_single() returns the full contact record by sequential integer ID without the object-level view_contact ownership check applied elsewhere in the codebase. This makes it possible for authenticated attackers holding view_contacts but not view_others_contacts — notably Groundhogg's built-in Sales Rep role, designed to see only its own contacts — to read any contact record on the site, including PII, contact meta, owner IDs, the admin edit URL, and (for contacts linked to a WordPress user) that user's full capability set.","status":"published","published":"2026-08-05T06:37:56.758Z","modified":"2026-08-05T13:30:11.571Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:04.809935Z"}],"euvd":[{"id":"EUVD-2026-53177","description":"The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.5.2 via the GET /wp-json/gh/v4/contacts/\u003cid\u003e REST endpoint. The endpoint's permission callback checks only the role-level view_contacts capability and read_single() returns the full contact record by sequential integer ID without the object-level view_contact ownership check applied elsewhere in the codebase. This makes it possible for authenticated attackers holding view_contacts but not view_others_contacts — notably Groundhogg's built-in Sales Rep role, designed to see only its own contacts — to read any contact record on the site, including PII, contact meta, owner IDs, the admin edit URL, and (for contacts linked to a WordPress user) that user's full capability set.","status":"published","published":"2026-08-05T06:37:56Z","modified":"2026-08-05T13:30:11Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:10.813132Z"}],"ghsa":[{"id":"GHSA-52xv-wqqv-x9g6","title":"The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to...","description":"The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.5.2 via the GET /wp-json/gh/v4/contacts/\u003cid\u003e REST endpoint. The endpoint's permission callback checks only the role-level view_contacts capability and read_single() returns the full contact record by sequential integer ID without the object-level view_contact ownership check applied elsewhere in the codebase. This makes it possible for authenticated attackers holding view_contacts but not view_others_contacts — notably Groundhogg's built-in Sales Rep role, designed to see only its own contacts — to read any contact record on the site, including PII, contact meta, owner IDs, the admin edit URL, and (for contacts linked to a WordPress user) that user's full capability set.","status":"published","published":"2026-08-05T09:31:16Z","modified":"2026-08-05T09:31:26Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:10:06.632203Z"}],"nvd":[{"id":"CVE-2026-11454","description":"The Groundhogg — CRM, Newsletters, and Marketing Automation plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.5.2 via the GET /wp-json/gh/v4/contacts/\u003cid\u003e REST endpoint. The endpoint's permission callback checks only the role-level view_contacts capability and read_single() returns the full contact record by sequential integer ID without the object-level view_contact ownership check applied elsewhere in the codebase. This makes it possible for authenticated attackers holding view_contacts but not view_others_contacts — notably Groundhogg's built-in Sales Rep role, designed to see only its own contacts — to read any contact record on the site, including PII, contact meta, owner IDs, the admin edit URL, and (for contacts linked to a WordPress user) that user's full capability set.","status":"published","published":"2026-08-05T08:16:28.77Z","modified":"2026-08-12T21:00:37.147Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:35.031043Z"}]}}