An issue was discovered in the comrak crate before 0.9.1 for Rust. Cross site scripting (XSS) can occur because the protection mechanism for data: and javascript: URIs is case-sensitive, allowing (for example) Data: to be used in an attack.
{
"nvd_published_at": null,
"github_reviewed": true,
"cwe_ids": [
"CWE-79"
],
"severity": "MODERATE",
"github_reviewed_at": "2021-08-19T17:34:25Z"
}