CVE-2021-29103: Esri Arcgis Server

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

A reflected Cross Site Scripting (XXS) vulnerability in ArcGIS Server version 10.8.1 and below may allow a remote attacker able to convince a user to click on a crafted link which could potentially execute arbitrary JavaScript code in the user’s browser.

Affected products

• Esri Arcgis Server: before 10.9.0 (fixed in 10.9.0)

Published 2021-07-11. Last modified 2026-06-17.