All versions of markdown-it-katex are vulnerable to Cross-Site Scripting (XSS).
Full advisory text at GitHub advisory.
npm package report
Is markdown-it-katex safe?
markdown-it-katex (npm) has 1 known vulnerability, the worst rated HIGH. No malicious-package signal is recorded.
// reach
0 direct dependencies
none carry a known advisory
Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.
cvss
7.5
high
severity band, no base score published
epss
not scored
chance of exploitation in 30 days
xyz score
3.8
low
CyberXYZ composite out of 10
fig. 01 — GHSA-5ff8-jcf9-fw62, the advisory selected below
// 1 advisories
Is markdown-it-katex safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for markdown-it-katex (npm), the worst rated HIGH, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does markdown-it-katex have known vulnerabilities?
Yes. CyberXYZ records 1 known vulnerability for markdown-it-katex (npm), the worst rated HIGH. They are GHSA-5ff8-jcf9-fw62.
How do I check markdown-it-katex before installing?
Search markdown-it-katex in CyberXYZ Check at https://cyberxyz.io/check?q=markdown-it-katex. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 12:38 UTC. The most recent advisory here was published 2020-09-04. Updated continuously from NVD, GHSA, OSV and CNA feeds.