The PollNY extension for MediaWiki through 1.35 allows XSS via an answer option for a poll question, entered during Special:CreatePoll or Special:UpdatePoll.
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.35"
}
],
"cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"source": "CPE_RANGE"
}