CVE-2026-48848
Estado: AplazadaAlta (7.2)—
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Puntuación base: 7.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.45%
- Percentil entre todas las CVEs puntuadas: 37
- Fecha de la puntuación: 5/10/2026
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
- https://github.com/roundcube/roundcubemail/commit/58e5263f341e6a418774fb6d2643669a3c4d8a27
- https://github.com/roundcube/roundcubemail/commit/c960d102472dc579e15907d5bcdc3103a090ccf9
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-48848",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-48848",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-05-26T13:00:37.600791Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"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": "cve@mitre.org",
"affectedData": [
{
"vendor": "Roundcube",
"product": "Webmail",
"versions": [
{
"status": "affected",
"version": "1.6.0",
"lessThan": "1.6.16",
"versionType": "semver"
},
{
"status": "affected",
"version": "1.7.0",
"lessThan": "1.7.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-05-25T20:16:37.413",
"references": [
{
"url": "https://github.com/roundcube/roundcubemail/commit/58e5263f341e6a418774fb6d2643669a3c4d8a27",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/commit/c960d102472dc579e15907d5bcdc3103a090ccf9",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.16",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.1",
"source": "cve@mitre.org"
},
{
"url": "https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1",
"source": "cve@mitre.org"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute."
},
{
"lang": "es",
"value": "Roundcube Webmail 1.6.x anterior a 1.6.16 y 1.7.x anterior a 1.7 presenta una sanitización HTML insuficiente que podría conducir a la inyección de Hojas de Estilo en Cascada (CSS) a través de un documento SVG que tiene un elemento animate con el atributo attributeName."
}
],
"lastModified": "2026-07-24T10:10:00.197",
"sourceIdentifier": "cve@mitre.org"
}