Plone through 5.2.4 allows XSS via the inline_diff methods in Products.CMFDiffTool.
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "5.2.4"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*"
}