CVE-2021-23562
Estado: ModificadaAlta (8.8)—
This affects the package plupload before 2.3.9. A file name containing JavaScript code could be uploaded and run. An attacker would need to trick a user to upload this kind of file.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.03%
- Percentil entre todas las CVEs puntuadas: 62
- 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-434
Referencias
- https://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226
- https://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fb
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2306665
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2306663
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBMOXIECODE-2306664
- https://snyk.io/vuln/SNYK-JS-PLUPLOAD-1583909
- https://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226
- https://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fb
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2306665
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2306663
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBMOXIECODE-2306664
- https://snyk.io/vuln/SNYK-JS-PLUPLOAD-1583909
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-23562",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
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"cvssData": {
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"version": "3.1",
"baseScore": 4.2,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 2.5,
"exploitabilityScore": 1.6
},
{
"type": "Primary",
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"cvssData": {
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"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "report@snyk.io",
"affectedData": [
{
"vendor": "n/a",
"product": "plupload",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "2.3.9",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-12-03T20:15:07.463",
"references": [
{
"url": "https://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226",
"tags": [
"Broken Link"
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},
{
"url": "https://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fb",
"tags": [
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{
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"tags": [
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},
{
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"source": "report@snyk.io"
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{
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"tags": [
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"source": "report@snyk.io"
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{
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},
{
"url": "https://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226",
"tags": [
"Broken Link"
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{
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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{
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{
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{
"url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBMOXIECODE-2306664",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://snyk.io/vuln/SNYK-JS-PLUPLOAD-1583909",
"tags": [
"Patch",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-434"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "This affects the package plupload before 2.3.9. A file name containing JavaScript code could be uploaded and run. An attacker would need to trick a user to upload this kind of file."
},
{
"lang": "es",
"value": "Esto afecta al paquete plupload versiones anteriores a 2.3.9. Un nombre de archivo que contenga código JavaScript podría ser cargado y ejecutado. Un atacante necesitaría engañar a un usuario para subir este tipo de archivo"
}
],
"lastModified": "2026-06-17T03:38:49.690",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:tiny:plupload:*:*:*:*:*:node.js:*:*",
"vulnerable": true,
"matchCriteriaId": "BDD5C94F-6022-4FAB-829D-5BFD2903B45E",
"versionEndExcluding": "2.3.9"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "report@snyk.io"
}