Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting in version 6.0.0 and prior to version 6.3.8, the error message in WebhookController returns unescaped user-submitted input. As of version 6.3.8, WebhookController now doesn't return any user-submitted input in its response.
{
"cpes": [
"cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*"
],
"severity": "Medium"
}