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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/wekan/wekan/commit/e9a727301d7b4f1689a703503df668c0f4f4cab8 Patch
- https://wekan.fi/hall-of-fame/spacebleed/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.1 · wekan_projectNVD modified 2026-10-14 13:10
Affected (CPE criteria) 1
cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*