CVE-2026-95816
The Smart Forms – when you need more than just a contact form plugin for WordPress es vulnerable a secuencias de comandos en sitios cruzados (XSS) almacenadas mediante el parámetro 'formString' en todas las versiones hasta la 2.6.104 inclusive, debido a una desinfección insuficiente de las entradas y a un escape insuficiente de las salidas. Esto permite que atacantes no autenticados inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada.
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La comprobación del nonce que protege el controlador AJAX rednao_smart_forms_save_form_values solo se aplica cuando está habilitada la opción smart_forms_block_anonymous_submissions, lo que significa que las instalaciones predeterminadas no requieren ninguna autenticación ni verificación de nonce para enviar y almacenar cargas maliciosas.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 7.2
- Versión
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.36 %
- Percentil entre todas las CVEs puntuadas
- 29
- Fecha de la puntuación
- 20/10/2026
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
T1190Exploit Public-Facing Applicationinitial access60 % - Impacto principal
T1059.007JavaScriptexecution55 %
Inferido por reglas deterministas a partir del vector CVSS y la CWE. Solo orientativo.
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-79
Referencias
Mostrar las 6 referencias
- https://plugins.trac.wordpress.org/browser/smart-forms/trunk/js/dist/Entries_bundle.js#L388
- https://plugins.trac.wordpress.org/browser/smart-forms/trunk/js/dist/Entries_bundle.js#L588
- https://plugins.trac.wordpress.org/browser/smart-forms/trunk/js/dist/Entries_bundle.js#L802
- https://plugins.trac.wordpress.org/browser/smart-forms/trunk/smart-forms-ajax.php#L227
- https://plugins.trac.wordpress.org/browser/smart-forms/trunk/smartforms.php#L63
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ace194b6-c794-417c-9870-db8ebaa4cf7a?source=cve
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-95816",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-95816",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-15T10:48:05.427215Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 7.2,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@wordfence.com",
"affectedData": [
{
"vendor": "edgarrojas",
"product": "Smart Forms – when you need more than just a contact form",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "2.6.104"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-14T04:18:56.647",
"references": [
{
"url": "https://plugins.trac.wordpress.org/browser/smart-forms/trunk/js/dist/Entries_bundle.js#L388",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/smart-forms/trunk/js/dist/Entries_bundle.js#L588",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/smart-forms/trunk/js/dist/Entries_bundle.js#L802",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/smart-forms/trunk/smart-forms-ajax.php#L227",
"source": "security@wordfence.com"
},
{
"url": "https://plugins.trac.wordpress.org/browser/smart-forms/trunk/smartforms.php#L63",
"source": "security@wordfence.com"
},
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ace194b6-c794-417c-9870-db8ebaa4cf7a?source=cve",
"source": "security@wordfence.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security@wordfence.com",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Smart Forms – when you need more than just a contact form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'formString' parameter in all versions up to, and including, 2.6.104 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The nonce check protecting the rednao_smart_forms_save_form_values AJAX handler is only enforced when the smart_forms_block_anonymous_submissions option is enabled, meaning default installations require no authentication or nonce verification whatsoever to submit and store malicious payloads."
}
],
"lastModified": "2026-10-15T17:17:32.740",
"sourceIdentifier": "security@wordfence.com"
}