An issue was discovered in Mattermost Server before 2.2.0. It allows XSS via a crafted link.
{
"severity": "MODERATE",
"github_reviewed": true,
"github_reviewed_at": "2025-10-22T21:57:25Z",
"cwe_ids": [
"CWE-79"
],
"nvd_published_at": "2020-06-19T20:15:00Z"
}