CVE-2026-40927: Docmost: XSS in Comments with JavaScript URI
Published Apr 21, 2026
·Updated
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.
Affected Software
2 affected components
docmost docmost<0.80.0
docmost docmost<0.80.0
Event History
Apr 21, 2026
CVE Published
via MITRE·08:52 PM
Data Sourced
via MITRE·08:52 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Can CVE-2026-40927 be exploited remotely?
Yes, CVE-2026-40927 can be exploited remotely by injecting malicious JavaScript through comments.