An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "33"
},
{
"last_affected": "33"
}
],
"source": "CPE_STRING",
"vendor_product": "fedoraproject:fedora",
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
]
}
]
}