There is a reflected XSS vulnerability in Esri Portal for ArcGIS versions 10.8.1 and below which 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 victim’s browser.

There is an improper access control vulnerability in Portal for ArcGIS versions 10.8.1 and below which could allow a remote, unauthenticated attacker to access an API that may induce Esri Portal for ArcGIS to read arbitrary URLs.

Stored cross-site scripting (XSS) issue in Esri Portal for ArcGIS may allow a remote unauthenticated attacker to pass and store malicious strings in the home application.

A reflected XSS vulnerability in Esri Portal for ArcGIS version 10.9 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.

There is an privilege escalation vulnerability in organization-specific logins in Esri Portal for ArcGIS versions 10.9 and below that may allow a remote, authenticated attacker who is able to intercept and modify a SAML assertion to impersonate another account (XML Signature Wrapping Attack). In addition patching, Esri also strongly recommends as best practice for SAML assertions to be signed and encrypted.