The Kunena extension before 5.1.14 for Joomla! allows XSS via BBCode.
{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:kunena:kunena:*:*:*:*:*:joomla\\!:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "5.1.14"
}
]
}