CVE-2025-69723
Full vulnerability record from the local CVENow database.
Description
A reflected cross-site scripting (XSS) vulnerability in localstack v4.9.2 allows attackers to execute arbitrary Javascript in the context of the user's browser via a crafted URL.
Severity
MEDIUM
CVSS score
6.1
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-10-22 19:17:33.233000
Last modified
2026-10-28 14:10:00.220000
View original CVE JSON
{
"id": "CVE-2025-69723",
"sourceIdentifier": "[email protected]",
"published": "2026-10-22T19:17:33.233",
"lastModified": "2026-10-28T14:10:00.220",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A reflected cross-site scripting (XSS) vulnerability in localstack v4.9.2 allows attackers to execute arbitrary Javascript in the context of the user's browser via a crafted URL."
},
{
"lang": "es",
"value": "Una vulnerabilidad de Cross-site Scripting (XSS) reflejada en localstack v4.9.2 permite a los atacantes ejecutar JavaScript arbitrario en el contexto del navegador del usuario mediante una URL manipulada."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"version": "n/a",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 2.7
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-26T19:09:15.954458Z",
"id": "CVE-2025-69723",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-79"
}
]
}
],
"references": [
{
"url": "https://cyberroute.github.io/post/2025-12-11-localstack-hack/",
"source": "[email protected]"
}
]
}