The stored-XSS vulnerability was discovered in Moodle which exists due to insufficient sanitization of user-supplied data in several "social" user profile fields. An attacker could inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
{
"severity": "Medium",
"cpes": [
"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*"
]
}