CVE Catalog

CVE-2026-40201

MediumCVSS 5.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.24%

15th percentile - higher than 15% of all known CVEs

Summary

@diplodoc/search-extension versions 1.0.0 through 3.x before 3.0.3 allows stored XSS via the title in a .md file. Malicious title content is executed in the browser of a user viewing the documentation.

Risk Assessment

An attacker can inject a malicious script that executes in the victim's browser context, enabling session or data theft. The risk affects organizations publishing documentation using this extension.

Recommendation

Upgrade @diplodoc/search-extension to version 3.0.3 or later. Additionally, consider validating and sanitizing titles in .md files.

Related vulnerabilities

Original NVD description (English source)

@diplodoc/search-extension 1.0.0 through 3.x before 3.0.3 allows stored XSS via the title in a .md file.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS