In Redmine before 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, XSS exists in app/helpers/application_helper.rb via a multi-value field with a crafted value that is mishandled during rendering of issue history.
{
"binaries": [
{
"binary_version": "3.2.1-2ubuntu0.2",
"binary_name": "redmine"
},
{
"binary_version": "3.2.1-2ubuntu0.2",
"binary_name": "redmine-mysql"
},
{
"binary_version": "3.2.1-2ubuntu0.2",
"binary_name": "redmine-pgsql"
},
{
"binary_version": "3.2.1-2ubuntu0.2",
"binary_name": "redmine-sqlite"
}
]
}