What’s Vulnerable › Vulnerabilities

CVE-2025-65778

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-15 · updated 2026-10-14
• Weakness: CWE-79

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.

Affected products

• WeKan: before 8.16 — fixed in 8.16

How to fix

Upgrade to a fixed version: WeKan 8.16. Check the vendor advisory for mitigations.

References

• https://github.com/wekan/wekan
• https://github.com/wekan/wekan/blob/main/CHANGELOG.md#v816-2025-11-02-wekan--release
• https://github.com/wekan/wekan/commit/e9a727301d7b4f1689a703503df668c0f4f4cab8
• https://wekan.fi/hall-of-fame/spacebleed/

Get alerted when CVE-2025-65778 or the next vulnerability affects your stack