title: BUG-000154662 Reflected XSS vulnerability in Portal for ArcGIS
description: There is a reflected XSS vulnerability in Esri Portal for ArcGIS versions 10.9.1, 10.8.1 and 10.7.1 which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victim’s browser.
problem types: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
affected:
{
defaultStatus: unaffected
platforms: 64 bit
product: Portal for ArcGIS
vendor: Esri
versions:
lessThanOrEqual: <=10.7.1, status: affected, version: 10.9.1, versionType: 10.7.1
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.1
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions:  https://support.esri.com/en-us/patches-updates/2023/portal-for-arcgis-security-2023-update-1-patch-8... https://support.esri.com/en-us/patches-updates/2023/portal-for-arcgis-security-2023-update-1-patch-8095
workarounds: Mitigation: Leverage a WAF to filter JavaScript from URL query parameters