CVE-2025-65778

High · 8.1

CVSS

8.1

EPSS

0.4%

Published

Dec 15, 2025

CISA due date

—

The record

An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Uploaded attachments can be served with attacker-controlled Content-Type (text/html), allowing execution of attacker-supplied HTML/JS in the application's origin and enabling session/token theft and CSRF actions.

Affected packages

Ecosystem	Package	Introduced	Fixed