A validation issue was addressed with improved input sanitization. This issue is fixed in iTunes U 3.8.3. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.
[
{
"product": "iTunes U",
"vendor": "Apple",
"versions": [
{
"lessThan": "3.8",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]