CVE-2021-24514
Estado: ModificadaMedia (4.8)—
The Visual Form Builder WordPress plugin before 3.0.4 does not sanitise or escape its Form Name, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 4.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.62%
- Percentil entre todas las CVEs puntuadas: 48
- 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-79
- CWE-79
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-24514",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 3.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 4.8,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 1.7
}
]
},
"affected": [
{
"source": "contact@wpscan.com",
"affectedData": [
{
"vendor": "Unknown",
"product": "Visual Form Builder",
"versions": [
{
"status": "affected",
"version": "3.0.4",
"lessThan": "3.0.4",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-10-25T14:15:10.193",
"references": [
{
"url": "https://wpscan.com/vulnerability/0afa78d3-2403-4e0c-8f16-5b7874b03cd2",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "contact@wpscan.com"
},
{
"url": "https://wpscan.com/vulnerability/0afa78d3-2403-4e0c-8f16-5b7874b03cd2",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "contact@wpscan.com",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The Visual Form Builder WordPress plugin before 3.0.4 does not sanitise or escape its Form Name, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed"
},
{
"lang": "es",
"value": "El plugin Visual Form Builder de WordPress versiones anteriores a 3.0.4, no sanea ni escapa de los nombres de los formularios, lo que permite a usuarios con altos privilegios, como los administradores, introducir en ellos cargas útiles de tipo Cross-Site Scripting, incluso cuando la capacidad unfiltered_html está deshabilitada"
}
],
"lastModified": "2026-06-17T03:40:09.840",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:vfbpro:visual_form_builder:*:*:*:*:*:wordpress:*:*",
"vulnerable": true,
"matchCriteriaId": "157F37CF-499C-4DFD-B8D0-09F79926F2C6",
"versionEndExcluding": "3.0.4"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "contact@wpscan.com"
}