A member of the Plone 2.5-5.1rc1 site could set javascript in the home_page property of his profile, and have this executed when a visitor click the home page link on the author page.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*"
],
"source": "CPE_FIELD",
"vendor_product": "plone:plone",
"extracted_events": [
{
"last_affected": "5.0.9"
}
]
}
]
}