CVE-2019-20921
Estado: ModificadaMedia (6.1)—
bootstrap-select before 1.13.6 allows Cross-Site Scripting (XSS). It does not escape title values in OPTION elements. This may allow attackers to execute arbitrary JavaScript in a victim's browser.
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: 1.74%
- Percentil entre todas las CVEs puntuadas: 77
- 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
Referencias
- https://github.com/advisories/GHSA-9r7h-6639-v5mw
- https://github.com/snapappointments/bootstrap-select/issues/2199
- https://issues.jtl-software.de/issues/SHOP-7964
- https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457
- https://www.npmjs.com/advisories/1522
- https://github.com/advisories/GHSA-9r7h-6639-v5mw
- https://github.com/snapappointments/bootstrap-select/issues/2199
- https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457
- https://www.npmjs.com/advisories/1522
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-20921",
"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": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-09-30T18:15:18.007",
"references": [
{
"url": "https://github.com/advisories/GHSA-9r7h-6639-v5mw",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/snapappointments/bootstrap-select/issues/2199",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://issues.jtl-software.de/issues/SHOP-7964",
"source": "cve@mitre.org"
},
{
"url": "https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.npmjs.com/advisories/1522",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/advisories/GHSA-9r7h-6639-v5mw",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/snapappointments/bootstrap-select/issues/2199",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://snyk.io/vuln/SNYK-JS-BOOTSTRAPSELECT-570457",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.npmjs.com/advisories/1522",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "bootstrap-select before 1.13.6 allows Cross-Site Scripting (XSS). It does not escape title values in OPTION elements. This may allow attackers to execute arbitrary JavaScript in a victim's browser."
},
{
"lang": "es",
"value": "bootstrap-select versiones anteriores a 1.13.6, permite un ataque de tipo Cross-Site Scripting (XSS). No escapa a los valores del título en los elementos OPTION. Esto puede permitir a atacantes ejecutar JavaScript arbitrario en el navegador de la víctima"
}
],
"lastModified": "2026-06-17T02:31:26.537",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:snapappointments:bootstrap-select:*:*:*:*:*:node.js:*:*",
"vulnerable": true,
"matchCriteriaId": "72F562DB-EA28-45BF-BFBA-FFC00C570092",
"versionEndExcluding": "1.13.6"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}