In Moodle 3.8, messages required extra sanitizing before updating the conversation overview, to prevent the risk of stored cross-site scripting.
{
"cpes": [
"cpe:2.3:a:moodle:moodle:3.8.0:*:*:*:*:*:*:*",
"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*"
],
"severity": "Medium"
}