Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the "allowedIframeHostnames" option.
{
"cwe_ids": [
"CWE-20"
],
"github_reviewed": true,
"github_reviewed_at": "2021-03-29T23:13:26Z",
"nvd_published_at": "2021-02-08T17:15:00Z",
"severity": "MODERATE"
}