Reflected XSS vulnerability in ArcGIS Server.
There is a stored cross site scripting issue in Esri ArcGIS Server 11.4 and earlier on Windows and Linux that in some configurations allows a remote unauthenticated attacker to store files that contain malicious code that may execute in the context of a victim’s browser.
Severity medium: primary CNA CVSS 6.1 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-12-31T22:18:57.223Z. Updated 2026-01-02T14:01:30.326Z.