The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the current_month_divider parameter of its mec_list_load_more AJAX call (available to both unauthenticated and authenticated users) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue
[
{
"product": "Modern Events Calendar Lite",
"vendor": "Unknown",
"versions": [
{
"lessThan": "6.1.5",
"status": "affected",
"version": "6.1.5",
"versionType": "custom"
}
]
}
]