The abstract metadata of documents is not sanitised. It’s possible to store arbitrary HTML (and JS) that will be executed when visiting the page.
{
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2026-11-06T19:50:34Z",
"nvd_published_at": null,
"severity": "MODERATE"
}