CVE-2026-45323
Full vulnerability record from the local CVENow database.
Description
MeshCore Card provides MeshCore Lovelace card for Home Assistant. Prior to 0.3.3, Meshcore node names are rendered without HTML escaping in meshcore-card, allowing any node within direct or indirect (repeated) radio range to execute arbitrary javascript in the Home Assistant frontend of anyone viewing the card. This vulnerability is fixed in 0.3.3.
Severity
CRITICAL
CVSS score
9.6
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-28 18:16:35.300000
Last modified
2026-10-26 13:10:00.140000
View original CVE JSON
{
"id": "CVE-2026-45323",
"sourceIdentifier": "[email protected]",
"published": "2026-05-28T18:16:35.300",
"lastModified": "2026-10-26T13:10:00.140",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "MeshCore Card provides MeshCore Lovelace card for Home Assistant. Prior to 0.3.3, Meshcore node names are rendered without HTML escaping in meshcore-card, allowing any node within direct or indirect (repeated) radio range to execute arbitrary javascript in the Home Assistant frontend of anyone viewing the card. This vulnerability is fixed in 0.3.3."
},
{
"lang": "es",
"value": "MeshCore Card proporciona la tarjeta MeshCore Lovelace para Home Assistant. Antes de 0.3.3, los nombres de los nodos Meshcore se renderizan sin escape HTML en meshcore-card, permitiendo que cualquier nodo dentro del alcance de radio directo o indirecto (repetido) ejecute javascript arbitrario en el frontend de Home Assistant de cualquiera que vea la tarjeta. Esta vulnerabilidad se corrige en 0.3.3."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "jpettitt",
"product": "meshcore-card",
"versions": [
{
"version": "< 0.3.3",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-29T15:30:23.116991Z",
"id": "CVE-2026-45323",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:jpettitt:meshcore_card:*:*:*:*:*:home_assistant:*:*",
"versionEndExcluding": "0.3.3",
"matchCriteriaId": "DE771B70-62C7-4988-A506-BB732727942B"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/jpettitt/meshcore-card/security/advisories/GHSA-5vrg-xpcj-xppc",
"source": "[email protected]",
"tags": [
"Exploit",
"Mitigation",
"Vendor Advisory"
]
},
{
"url": "https://github.com/jpettitt/meshcore-card/security/advisories/GHSA-5vrg-xpcj-xppc",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"Exploit",
"Mitigation",
"Vendor Advisory"
]
}
]
}