CVE-2025-55104: Esri Portal For Arcgis

Medium severity, CVSS 4.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability exists ArcGIS HUB and ArcGIS Enterprise Sites which allows an authenticated user with the ability to create or edit a site to add and store an XSS payload. If this stored XSS payload is triggered by any user attacker supplied JavaScript may execute in the victim's browser.

Affected products

• Esri Portal For Arcgis: from 10.9.1, up to and including 11.4

Published 2025-08-21. Last modified 2026-06-17.