The package url-js before 2.1.0 is vulnerable to Improper Input Validation due to improper parsing, which makes it is possible for the hostname to be spoofed. http://\\\\localhost and http://localhost are the same URL. However, the hostname is not parsed as localhost, and the backslash is reflected as it is.
{
"github_reviewed": true,
"nvd_published_at": "2022-03-11T20:15:00Z",
"github_reviewed_at": "2022-03-14T23:28:46Z",
"cwe_ids": [
"CWE-20"
],
"severity": "MODERATE"
}