CVE-2021-36913
Estado: ModificadaAlta (7.5)—
Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional extension (plugin) AccessiBe.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.61%
- Percentil entre todas las CVEs puntuadas: 47
- 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).
Tecnologías afectadas (1)
CWE
- CWE-284
- CWE-74
Referencias
- https://patchstack.com/database/vulnerability/wpcf7-redirect/wordpress-redirection-for-contact-form-7-plugin-2-4-0-unauthenticated-options-change-vulnerability?_s_id=cve
- https://wordpress.org/plugins/wpcf7-redirect/#developers
- https://patchstack.com/database/vulnerability/wpcf7-redirect/wordpress-redirection-for-contact-form-7-plugin-2-4-0-unauthenticated-options-change-vulnerability?_s_id=cve
- https://wordpress.org/plugins/wpcf7-redirect/#developers
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-36913",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-36913",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-02-20T19:22:45.145097Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "audit@patchstack.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 4.7,
"exploitabilityScore": 2.2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "audit@patchstack.com",
"affectedData": [
{
"vendor": "Qube One",
"product": "Redirection for Contact Form 7 (WordPress plugin)",
"versions": [
{
"status": "affected",
"version": "<= 2.4.0",
"versionType": "custom",
"lessThanOrEqual": "2.4.0"
}
]
}
]
}
],
"published": "2022-10-11T18:15:09.913",
"references": [
{
"url": "https://patchstack.com/database/vulnerability/wpcf7-redirect/wordpress-redirection-for-contact-form-7-plugin-2-4-0-unauthenticated-options-change-vulnerability?_s_id=cve",
"tags": [
"Third Party Advisory"
],
"source": "audit@patchstack.com"
},
{
"url": "https://wordpress.org/plugins/wpcf7-redirect/#developers",
"tags": [
"Product",
"Third Party Advisory"
],
"source": "audit@patchstack.com"
},
{
"url": "https://patchstack.com/database/vulnerability/wpcf7-redirect/wordpress-redirection-for-contact-form-7-plugin-2-4-0-unauthenticated-options-change-vulnerability?_s_id=cve",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://wordpress.org/plugins/wpcf7-redirect/#developers",
"tags": [
"Product",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "audit@patchstack.com",
"description": [
{
"lang": "en",
"value": "CWE-284"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-74"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Unauthenticated Options Change and Content Injection vulnerability in Qube One Redirection for Contact Form 7 plugin <= 2.4.0 at WordPress allows attackers to change options and inject scripts into the footer HTML. Requires an additional extension (plugin) AccessiBe."
},
{
"lang": "es",
"value": "Una vulnerabilidad de cambio de opciones sin autenticación e inyección de contenido en el plugin Qube One Redirection for Contact Form 7 versiones anteriores a 2.4.0 incluyéndola en WordPress, permite a atacantes cambiar opciones e inyectar scripts en el HTML del pie de página. Requiere una extensión adicional (plugin) AccessiBe"
}
],
"lastModified": "2026-06-17T03:59:37.270",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:redirection-for-contact-form7:redirection_for_contact_form_7:*:*:*:*:*:wordpress:*:*",
"vulnerable": true,
"matchCriteriaId": "EBA5284F-4DC0-44DF-AE80-CAC937991C90",
"versionEndExcluding": "2.6.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "audit@patchstack.com"
}