title: Persistent XSS in Experience Builder
description: There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS Enterprise Experience Builder versions <= 11.1 that may allow a remote, authenticated attacker to create a crafted link that is stored in the Experience Builder Embed widget which when loaded could potentially execute arbitrary JavaScript code in the victim’s browser.  The privileges required to execute this attack are high.
problem types: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
affected:
{
defaultStatus: unaffected
platforms: x86
product: Portal for ArcGIS Enterprise Experience Builder
vendor: Esri
versions:
lessThanOrEqual: <11.1, status: affected, version: all, versionType: 11.1
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.8
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: HIGH
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL