๐Ÿ” CVE Alert

CVE-2026-40927

MEDIUM 5.4

Docmost: XSS in Comments with JavaScript URI

CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor docmost
Product docmost
Published Apr 21, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

docmost / docmost
< 0.80.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/docmost/docmost/security/advisories/GHSA-4gv6-jw3v-wc34