CVE-2021-26083
Estado: ModificadaMedia (5.4)—
Export HTML Report in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Puntuación base: 5.4
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.60%
- Percentil entre todas las CVEs puntuadas: 47
- 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 (4)
CWE
- CWE-79
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-26083",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-26083",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-10-17T14:32:52.470378Z"
}
}
],
"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": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 2.7,
"exploitabilityScore": 2.3
}
]
},
"affected": [
{
"source": "security@atlassian.com",
"affectedData": [
{
"vendor": "Atlassian",
"product": "Jira Server",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.5.14",
"versionType": "custom"
},
{
"status": "affected",
"version": "8.6.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.13.6",
"versionType": "custom"
},
{
"status": "affected",
"version": "8.14.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.16.1",
"versionType": "custom"
}
]
},
{
"vendor": "Atlassian",
"product": "Jira Data Center",
"versions": [
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.5.14",
"versionType": "custom"
},
{
"status": "affected",
"version": "8.6.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.13.6",
"versionType": "custom"
},
{
"status": "affected",
"version": "8.14.0",
"lessThan": "unspecified",
"versionType": "custom"
},
{
"status": "affected",
"version": "unspecified",
"lessThan": "8.16.1",
"versionType": "custom"
}
]
}
]
}
],
"published": "2021-07-20T04:15:10.993",
"references": [
{
"url": "https://jira.atlassian.com/browse/JRASERVER-72213",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "security@atlassian.com"
},
{
"url": "https://jira.atlassian.com/browse/JRASERVER-72213",
"tags": [
"Patch",
"Vendor 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": "Export HTML Report in Atlassian Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before 8.13.6, and from version 8.14.0 before 8.16.1 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability."
},
{
"lang": "es",
"value": "Una exportación de Informes HTML en Atlassian Jira Server y Jira Data Center versiones anteriores a 8.5.14, desde versión 8.6.0 anteriores a 8.13.6, y desde versión 8.14.0 anteriores a 8.16.1, permite a atacantes remotos inyectar HTML o JavaScript arbitrario por medio de una vulnerabilidad de tipo Cross-Site Scripting (XSS)"
}
],
"lastModified": "2026-06-17T03:42:49.630",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8F1FF4CB-8A5A-4C49-8BC7-EDA8E4F7F6F7",
"versionEndExcluding": "8.5.14"
},
{
"criteria": "cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "736F4C0B-A3E6-42A3-88B8-745CDB55DB2B",
"versionEndExcluding": "8.5.14"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "940CC48E-EC7D-42E1-838C-011D1C8CEF31",
"versionEndExcluding": "8.13.6",
"versionStartIncluding": "8.6.0"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CA85B28C-6370-4D3A-A053-AEC6878971B4",
"versionEndExcluding": "8.16.1",
"versionStartIncluding": "8.14.0"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "753A6E31-7EAD-443E-8FC4-D01BB97844D7",
"versionEndExcluding": "8.13.6",
"versionStartIncluding": "8.6.0"
},
{
"criteria": "cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "703B1E15-8FC1-42F4-953D-0CF16829AB21",
"versionEndExcluding": "8.16.1",
"versionStartIncluding": "8.14.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@atlassian.com"
}