CVE-2025-57877: Esri Portal For Arcgis

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

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS 11.4 and below that may allow a remote authenticated attacker with administrative access to supply a crafted string which would execute arbitrary JavaScript code in the browser.

Affected products

• Esri Portal For Arcgis: version 10.9.1 only; version 11.0 only; version 11.1 only; version 11.2 only; version 11.3 only; version 11.4 only

Published 2025-09-29. Last modified 2026-10-09.