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vuln-cve/data/2026/1xxx/CVE-2026-1831.json
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{
"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"
}
}
]
}
}