inc/plugins/thankyoulike.php in the Eldenroot Thank You/Like plugin before 3.1.0 for MyBB allows XSS via a post or thread subject.
{
"cpe": "cpe:2.3:a:thank_you\\/like_project:thank_you\\/like:*:*:*:*:*:mybb:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.1.0"
}
],
"source": "CPE_RANGE"
}