There is a Cross-site Scripting vulnerability in ArcGIS Server in versions 11.1 and below that may allow a remote, authenticated attacker to create a crafted link which onmouseover wont execute but could potentially render an image in the victims browser.  The privileges required to execute this attack are high.

There is a Cross-site Scripting vulnerability in ArcGIS Server in versions 10.8.1 – 11.1 that may allow a remote, authenticated attacker to create a crafted link which onmouseover wont execute but could potentially render an image in the victims browser.  The privileges required to execute this attack are high.