Vanilla Forums 2.0.17.1 through 2.0.17.5 has XSS in /vanilla/index.php via the p parameter.
[
{
"product": "Vanilla Forums",
"vendor": "Vanilla",
"versions": [
{
"status": "affected",
"version": "2.0.17.1 through 2.0.17.5"
}
]
}
]