CVE-2026-15155
The Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Authenticated Account Takeover via Email Header Injection in all versions up to, and including, 6.6.10 This is due to insufficient server-side validation of a Login/Register widget setting used to construct outgoing email headers — the allowed-values restriction is enforced only in the client-side editor UI and not on the server, and the applied sanitization does not strip or encode CR/LF characters, allowing CRLF sequences stored in that setting to survive into raw mail headers.
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This makes it possible for authenticated attackers, with Contributor-level access and above, to inject an additional Bcc header into the WordPress administrator's password-reset notification email, receive a copy of a valid administrator password-reset link, and achieve full administrator account takeover.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.67%
- Percentil entre todas las CVEs puntuadas: 50
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1098.002Additional Email Delegate Permissionspersistence · privilege escalation90 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access85 %
Vulnerabilidad de inyección CRLF en plugin WordPress que permite a atacantes autenticados (PR:L) interceptar enlaces de reseteo de contraseña mediante encabezados BCC, logrando takeover de cuenta administrador.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-640
Referencias
- https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/includes/Elements/Login_Register.php#L3333
- https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/includes/Traits/Login_Registration.php#L1271
- https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/includes/Traits/Login_Registration.php#L1622
- https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includes/Elements/Login_Register.php#L3333
- https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includes/Traits/Login_Registration.php#L1271
- https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includes/Traits/Login_Registration.php#L1622
- https://plugins.trac.wordpress.org/changeset/3601504/essential-addons-for-elementor-lite/trunk/includes/Traits/Login_Registration.php
- https://plugins.trac.wordpress.org/changeset?old_path=%2Fessential-addons-for-elementor-lite/tags/6.6.10&new_path=%2Fessential-addons-for-elementor-lite/tags/6.6.11
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cbe8cf6c-b1fa-4f71-bb63-c8b181e54882?source=cve
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-15155",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-15155",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-07-15T13:46:19.821387Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@wordfence.com",
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"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security@wordfence.com",
"affectedData": [
{
"vendor": "wpdevteam",
"product": "Essential Addons for Elementor – Popular Elementor Templates & Widgets",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "6.6.10"
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"defaultStatus": "unaffected"
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],
"published": "2026-07-11T07:16:46.170",
"references": [
{
"url": "https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/includes/Elements/Login_Register.php#L3333",
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},
{
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"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.10/includes/Traits/Login_Registration.php#L1622",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includes/Elements/Login_Register.php#L3333",
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{
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{
"url": "https://plugins.trac.wordpress.org/browser/essential-addons-for-elementor-lite/tags/6.6.5/includes/Traits/Login_Registration.php#L1622",
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"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Fessential-addons-for-elementor-lite/tags/6.6.10&new_path=%2Fessential-addons-for-elementor-lite/tags/6.6.11",
"source": "security@wordfence.com"
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"source": "security@wordfence.com"
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],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"description": [
{
"lang": "en",
"value": "CWE-640"
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}
],
"descriptions": [
{
"lang": "en",
"value": "The Essential Addons for Elementor – Popular Elementor Templates & Widgets plugin for WordPress is vulnerable to Authenticated Account Takeover via Email Header Injection in all versions up to, and including, 6.6.10 This is due to insufficient server-side validation of a Login/Register widget setting used to construct outgoing email headers — the allowed-values restriction is enforced only in the client-side editor UI and not on the server, and the applied sanitization does not strip or encode CR/LF characters, allowing CRLF sequences stored in that setting to survive into raw mail headers. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject an additional Bcc header into the WordPress administrator's password-reset notification email, receive a copy of a valid administrator password-reset link, and achieve full administrator account takeover."
}
],
"lastModified": "2026-07-15T14:17:17.853",
"sourceIdentifier": "security@wordfence.com"
}