The Sidebar gadget in ITN News Gadget (aka ITN Hub Gadget) 1.06 for Windows Vista, and possibly other versions before 1.23, allows remote web servers or man-in-the-middle attackers to execute arbitrary commands via script in a short_title response.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.