Cross-Site Scripting Vulnerability in Docmost Collaborative Software
CVE-2026-34212

5.4MEDIUM

Key Information:

Vendor

Docmost

Status
Docmost
Vendor
CVE Published:
14 April 2026

What is CVE-2026-34212?

A Cross-Site Scripting (XSS) vulnerability in Docmost open-source collaborative wiki and documentation software allows low-privileged authenticated users to inject malicious javascript: URLs. This occurs due to improper neutralization of attachment URLs, enabling attackers to execute arbitrary JavaScript in the context of the Docmost origin whenever another user views the compromised page and interacts with the attachment. The flaw has been addressed in version 0.71.0.

Affected Version(s)

docmost < 0.71.0

References

https://github.com/docmost/docmost/security/advisories/GH...
x_refsource_CONFIRM

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.