Code Injection Vulnerability in Wekan Open Source Kanban Board System
CVE-2025-65778

8.1HIGH

Key Information:

Vendor

Wekan

Status
Wekan Open Source Kanban Board
Vendor
CVE Published:
15 December 2025

What is CVE-2025-65778?

An issue was discovered in Wekan, an Open Source kanban board system, where uploaded attachments can be delivered with an attacker-controlled Content-Type (specifically text/html). This flaw allows malicious HTML/JavaScript code to be executed within the application's origin, potentially leading to session and token theft, as well as enabling various cross-site request forgery (CSRF) actions. The vulnerability was addressed in version 18.16, which mitigated the risk by ensuring proper handling of uploaded content.

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References

https://github.com/wekan/wekan
https://wekan.fi/hall-of-fame/spacebleed/
https://github.com/wekan/wekan/commit/e9a727301d7b4f1689a...

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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