{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1831","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","state":"PUBLISHED","assignerShortName":"Wordfence","dateReserved":"2026-02-03T14:41:20.453Z","datePublished":"2026-02-18T07:25:41.707Z","dateUpdated":"2026-04-08T17:13:15.693Z"},"containers":{"cna":{"providerMetadata":{"orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence","dateUpdated":"2026-04-08T17:13:15.693Z"},"affected":[{"vendor":"yaycommerce","product":"YayMail – WooCommerce Email Customizer","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.3.2","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"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."}],"title":"YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) Plugin Installation and Activation","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=&sfph_mail=&reponame=&old=3460087%40yaymail&new=3460087%40yaymail&sfp_email=&sfph_mail=#file11"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-862 Missing Authorization","cweId":"CWE-862","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","baseScore":2.7,"baseSeverity":"LOW"}}],"credits":[{"lang":"en","type":"finder","value":"Daniel Basta"}],"timeline":[{"time":"2026-02-05T17:24:28.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-02-17T18:55:15.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-18T12:25:01.408432Z","id":"CVE-2026-1831","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-18T12:52:05.436Z"}}]}}