An issue was discovered in the Growth extension in MediaWiki through 1.36.2. On any Wiki with the Mentor Dashboard feature enabled, users can login with a mentor account and trigger an XSS payload (such as alert) via Growthexperiments-mentor-dashboard-mentee-overview-no-js-fallback.
{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "1.36.2"
}
],
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*"
}