CVE-2021-24543
Estado: ModificadaMedia (6.1)—
The jQuery Reply to Comment WordPress plugin through 1.31 does not have any CSRF check when saving its settings, nor sanitise or escape its 'Quote String' and 'Reply String' settings before outputting them in Comments, leading to a Stored Cross-Site Scripting issue.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 6.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.41%
- Percentil entre todas las CVEs puntuadas: 33
- Fecha de la puntuación: 7/10/2026
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-352
- CWE-79, CWE-352
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-24543",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 6.1,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "contact@wpscan.com",
"affectedData": [
{
"vendor": "Unknown",
"product": "jQuery Reply to Comment",
"versions": [
{
"status": "affected",
"version": "1.31",
"versionType": "custom",
"lessThanOrEqual": "1.31"
}
]
}
]
}
],
"published": "2021-10-25T14:15:10.297",
"references": [
{
"url": "https://wpscan.com/vulnerability/aa23f743-811b-4fd1-81a9-42916342e312",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "contact@wpscan.com"
},
{
"url": "https://wpscan.com/vulnerability/aa23f743-811b-4fd1-81a9-42916342e312",
"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"
},
{
"lang": "en",
"value": "CWE-352"
}
]
},
{
"type": "Secondary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
},
{
"lang": "en",
"value": "CWE-352"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The jQuery Reply to Comment WordPress plugin through 1.31 does not have any CSRF check when saving its settings, nor sanitise or escape its 'Quote String' and 'Reply String' settings before outputting them in Comments, leading to a Stored Cross-Site Scripting issue."
},
{
"lang": "es",
"value": "El plugin jQuery Reply to Comment de WordPress versiones hasta 1.31, no presenta ninguna comprobación de CSRF cuando guarda sus ajustes, ni sanea o escapa de sus ajustes \"Quote String\" y \"Reply String\" antes de mostrarlos en los comentarios, conllevando a un problema de tipo Cross-Site Scripting Almacenado"
}
],
"lastModified": "2026-06-17T03:40:12.540",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:jquery-reply-to-comment_project:jquery-reply-to-comment:*:*:*:*:*:wordpress:*:*",
"vulnerable": true,
"matchCriteriaId": "441D00A5-B6E9-48B7-A33B-E23A08069507",
"versionEndIncluding": "1.31"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "contact@wpscan.com"
}