CVE-2026-40927CWE-79

Docmost: XSS in Comments with JavaScript URI

Medium · published April 21, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
13.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00231 · 13.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-04-21T20:52Z
EPSS history
Timeline
  • 21 APR 20:52Z
    Docmost: XSS in Comments with JavaScript URI
    cvelistv5