Gnuboard 5.55 and 5.56 is vulnerable to Cross Site Scripting (XSS) via bbs/member_confirm.php.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "5.5.5"
},
{
"introduced": "0"
},
{
"last_affected": "5.5.6"
}
]
}