There is a Cross-site Scripting vulnerability in Esri Portal Sites in versions 10.8.1 – 10.9 that may allow a remote, authenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victims browser.  The privileges required to execute this attack are high.

There is a Cross-site Scripting vulnerability in Esri Portal for ArcGIS Sites in versions 10.9 and below that may allow a remote, authenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victims browser.  The privileges required to execute this attack are low.

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.

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.

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.

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.