CVE-2025-65778

high

Description

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.

References

https://wekan.fi/hall-of-fame/spacebleed/

https://github.com/wekan/wekan/commit/e9a727301d7b4f1689a703503df668c0f4f4cab8

https://github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-wekan--release

https://github.com/wekan/wekan

Details

Source: Mitre, NVD

Published: 2025-12-15

Updated: 2025-12-18

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Severity: High

EPSS

EPSS: 0.00018