{"id":"CVE-2026-5957","aliases":["EUVD-2026-27197","GHSA-28j2-6q62-7r48"],"status":"published","title":"EmailKit \u003c= 1.6.5 - Authenticated (Author+) Arbitrary File Read via 'emailkit-editor-template' REST Parameter","description":"The EmailKit plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 1.6.5. This is due to a flawed path traversal validation in the create_template() method of the CheckForm class, where realpath() is called on the allowed base directory (wp-content/uploads/emailkit/templates/) which may not exist, causing it to return false. In PHP 8.x, strpos($real_path, false) implicitly converts false to an empty string, and strpos() with an empty needle always returns 0, causing the check strpos(...) !== 0 to evaluate to false and bypassing the path validation entirely. This makes it possible for authenticated attackers, with Author-level access and above, to read arbitrary files from the server, including sensitive files such as wp-config.php, by supplying an absolute path to the emailkit-editor-template REST API parameter.","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":"2026-11-10","score":0.0057,"percentile":0.47497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-05-05T03:37:38Z","modified":"2026-06-17T10:59:56Z","products":[{"vendor":"roxnor","product":"emailkit – email customizer for woocommerce \u0026 wp"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/ae58e5b0-b587-4503-8519-c5a50245891a?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/tags/1.6.5/includes/Admin/Api/CheckForm.php#L166"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/tags/1.6.5/includes/Admin/Api/CheckForm.php#L170"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/tags/1.6.5/includes/Admin/EmailSettings/MetformEmailSettings.php#L252"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/trunk/includes/Admin/Api/CheckForm.php#L170"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/trunk/includes/Admin/Api/CheckForm.php#L163"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/tags/1.6.5/includes/Admin/Api/CheckForm.php#L163"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/trunk/includes/Admin/Api/CheckForm.php#L166"},{"url":"https://plugins.trac.wordpress.org/browser/emailkit/trunk/includes/Admin/EmailSettings/MetformEmailSettings.php#L252"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026new=3511701%40emailkit%2Ftrunk\u0026old=3496714%40emailkit%2Ftrunk\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5957"},{"url":"https://github.com/advisories/GHSA-28j2-6q62-7r48"}],"sources":{"cve":[{"id":"CVE-2026-5957","title":"EmailKit \u003c= 1.6.5 - Authenticated (Author+) Arbitrary File Read via 'emailkit-editor-template' REST Parameter","description":"The EmailKit plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 1.6.5. This is due to a flawed path traversal validation in the create_template() method of the CheckForm class, where realpath() is called on the allowed base directory (wp-content/uploads/emailkit/templates/) which may not exist, causing it to return false. In PHP 8.x, strpos($real_path, false) implicitly converts false to an empty string, and strpos() with an empty needle always returns 0, causing the check strpos(...) !== 0 to evaluate to false and bypassing the path validation entirely. This makes it possible for authenticated attackers, with Author-level access and above, to read arbitrary files from the server, including sensitive files such as wp-config.php, by supplying an absolute path to the emailkit-editor-template REST API parameter.","status":"published","published":"2026-05-05T03:37:38.237Z","modified":"2026-05-06T14:05:11.026Z","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-22"],"updated_at":"2026-11-02T13:39:27.849196Z"}],"euvd":[{"id":"EUVD-2026-27197","description":"The EmailKit plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 1.6.5. This is due to a flawed path traversal validation in the create_template() method of the CheckForm class, where realpath() is called on the allowed base directory (wp-content/uploads/emailkit/templates/) which may not exist, causing it to return false. In PHP 8.x, strpos($real_path, false) implicitly converts false to an empty string, and strpos() with an empty needle always returns 0, causing the check strpos(...) !== 0 to evaluate to false and bypassing the path validation entirely. This makes it possible for authenticated attackers, with Author-level access and above, to read arbitrary files from the server, including sensitive files such as wp-config.php, by supplying an absolute path to the emailkit-editor-template REST API parameter.","status":"published","published":"2026-05-05T03:37:38Z","modified":"2026-05-06T14:05:11Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:05:16.683147Z"}],"ghsa":[{"id":"GHSA-28j2-6q62-7r48","title":"The EmailKit plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and...","description":"The EmailKit plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 1.6.5. This is due to a flawed path traversal validation in the create_template() method of the CheckForm class, where realpath() is called on the allowed base directory (wp-content/uploads/emailkit/templates/) which may not exist, causing it to return false. In PHP 8.x, strpos($real_path, false) implicitly converts false to an empty string, and strpos() with an empty needle always returns 0, causing the check strpos(...) !== 0 to evaluate to false and bypassing the path validation entirely. This makes it possible for authenticated attackers, with Author-level access and above, to read arbitrary files from the server, including sensitive files such as wp-config.php, by supplying an absolute path to the emailkit-editor-template REST API parameter.","status":"published","published":"2026-05-05T06:31:05Z","modified":"2026-05-05T06:31:09Z","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-22"],"updated_at":"2026-11-02T15:07:54.707151Z"}],"nvd":[{"id":"CVE-2026-5957","description":"The EmailKit plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to and including 1.6.5. This is due to a flawed path traversal validation in the create_template() method of the CheckForm class, where realpath() is called on the allowed base directory (wp-content/uploads/emailkit/templates/) which may not exist, causing it to return false. In PHP 8.x, strpos($real_path, false) implicitly converts false to an empty string, and strpos() with an empty needle always returns 0, causing the check strpos(...) !== 0 to evaluate to false and bypassing the path validation entirely. This makes it possible for authenticated attackers, with Author-level access and above, to read arbitrary files from the server, including sensitive files such as wp-config.php, by supplying an absolute path to the emailkit-editor-template REST API parameter.","status":"published","published":"2026-05-05T04:16:19.643Z","modified":"2026-06-17T10:59:56.607Z","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-22"],"updated_at":"2026-11-02T14:12:17.022502Z"}]}}