bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.
{
"github_reviewed": true,
"cwe_ids": [
"CWE-79"
],
"github_reviewed_at": "2021-05-18T21:05:51Z",
"nvd_published_at": null,
"severity": "MODERATE"
}