Vulnerability · Published May 1, 2026 · Assigned by mitre
CVE-2026-40201
Medium 5.4
In plain English
A medium-severity cross-site scripting in @diplodoc/search-extension from diplodoc-platform. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 84.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
@diplodoc/search-extension 1.0.0 through 3.x before 3.0.3 allows stored XSS via the title in a .md file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @diplodoc/search-extension | 3.0.5 | GHSA-rjmp-rwj4-mv82 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| diplodoc-platform | @diplodoc/search-extension | 1.0.0 – before 3.0.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N