CVE-2026-40927 MEDIUM

CVE-2026-40927: Docmost: XSS in Comments with JavaScript URI

Vendor Docmost

Product docmost

Weakness CWE-79 · XSS

Published April 21, 2026

Last update April 22, 2026

View on NVD All CVEs

CVSS base score

5.4/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

What the vulnerability does

Description

Docmost is open-source collaborative wiki and documentation software. Prior to 0.80.0, when leaving a comment on a page, it is possible to include a JavaScript URI as the link. When a user clicks on the link the JavaScript executes. This vulnerability is fixed in 0.80.0.

Key dates

Disclosure timeline

April 21, 2026 CVE published

April 22, 2026 Record updated