Moodle 3.10.3 contains a persistent cross-site scripting vulnerability in the calendar event subtitle field that allows attackers to inject malicious scripts. Attackers can craft a calendar event with malicious JavaScript in the subtitle track label to execute arbitrary code when users view the event.
{
"cpes": [
"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*"
],
"severity": "Medium"
}