CVE-2026-40201
@diplodoc/search-extension allows stored XSS via Markdown file title
5.4
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
@diplodoc/search-extension 1.0.0 through 3.0.2 allows stored XSS via .md file title.
How to fix CVE-2026-40201
To remediate CVE-2026-40201, upgrade the affected package to a fixed version below.
- npm/@diplodoc/search-extension—upgrade to 3.0.5 or later
Is CVE-2026-40201 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.0.0, < 3.0.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |