In Jupyter Notebook before 5.4.1, a maliciously forged notebook file can bypass sanitization to execute JavaScript in the notebook context. Specifically, invalid HTML is 'fixed' by jQuery after sanitization, making it dangerous.
{
"nvd_published_at": null,
"github_reviewed_at": "2020-06-16T21:18:58Z",
"severity": "HIGH",
"cwe_ids": [],
"github_reviewed": true
}