{"id":"CVE-2026-1831","aliases":["EUVD-2026-8049","GHSA-gxvp-w433-832f"],"status":"published","title":"YayMail \u003c= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) Plugin Installation and Activation","description":"The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to install and activate the YaySMTP plugin.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0033,"percentile":0.26443,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-02-18T07:25:41Z","modified":"2026-06-17T10:16:35Z","products":[{"vendor":"yaycommerce","product":"yaymail – woocommerce email customizer"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a568162a-5a2d-47ab-9dfe-2f2f5f324f0d?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/yaymail/tags/4.3.2/src/Ajax.php#L183"},{"url":"https://plugins.trac.wordpress.org/browser/yaymail/trunk/src/Ajax.php#L183"},{"url":"https://plugins.trac.wordpress.org/browser/yaymail/tags/4.3.2/src/Controllers/AddonController.php#L76"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3460087%40yaymail\u0026new=3460087%40yaymail\u0026sfp_email=\u0026sfph_mail=#file11"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1831"},{"url":"https://github.com/advisories/GHSA-gxvp-w433-832f"}],"sources":{"cve":[{"id":"CVE-2026-1831","title":"YayMail \u003c= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) Plugin Installation and Activation","description":"The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to install and activate the YaySMTP plugin.","status":"published","published":"2026-02-18T07:25:41.707Z","modified":"2026-04-08T17:13:15.693Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:20:01.618694Z"}],"euvd":[{"id":"EUVD-2026-8049","description":"The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to install and activate the YaySMTP plugin.","status":"published","published":"2026-02-18T07:25:41Z","modified":"2026-04-08T17:13:15Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:24:46.295439Z"}],"ghsa":[{"id":"GHSA-gxvp-w433-832f","title":"The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized...","description":"The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to install and activate the YaySMTP plugin.","status":"published","published":"2026-02-18T09:31:04Z","modified":"2026-02-18T09:32:07Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:06:14.99564Z"}],"nvd":[{"id":"CVE-2026-1831","description":"The YayMail - WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized plugin installation and activation due to missing capability checks on the 'yaymail_install_yaysmtp' AJAX action and `/yaymail/v1/addons/activate` REST endpoint in all versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to install and activate the YaySMTP plugin.","status":"published","published":"2026-02-18T08:16:14.873Z","modified":"2026-06-17T10:16:35.077Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:06.274729Z"}]}}