Medium (5.4) in esri portal for arcgis. EPSS 0.6% chance of exploitation in the next 30 days.
There is an HTML injection issue in Esri Portal for ArcGIS versions 10.9.0 and below which may allow a remote, authenticated attacker to inject HTML into some locations in the home application.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)