CVE-2026-40201

Severity CVSS v4.0:

Pending analysis

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

01/05/2026

Last modified:

05/05/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.40

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://github.com/diplodoc-platform/search-extension/pull/41
https://github.com/diplodoc-platform/search-extension/releases
https://github.com/diplodoc-platform/search-extension/releases/tag/v3.0.3
https://github.com/eyelessgoddd/eyelessgoddd/blob/main/README.md