title: BUG-000142180 Hosted feature services vulnerable to stored XSS
description: A stored Cross Site Scripting (XSS) vulnerability in Esri ArcGIS Server feature services versions 10.8.1 and 10.9 (only) feature services may allow a remote, unauthenticated attacker to pass and store malicious strings via crafted queries which when accessed could potentially execute arbitrary JavaScript code in the user’s browser.
problem types: CWE-79 Cross-site Scripting (XSS)
affected:
{
platforms: x64
product: ArcGIS Server
vendor: Esri
versions:
lessThan: 10.9.0, status: affected, version: 10.8.1, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.1
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
version: 3.0
]
workarounds: This issue may be mitigated by securing the feature service.