What is CVE-2025-65778?

CVE-2025-65778 is a high-severity vulnerability in Wekan_project Wekan, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2025-12-15.

How severe is CVE-2025-65778?

High severity. CVSS v3 base score is 8.1 out of 10.

XSS in Wekan_project Wekan

CVE-2025-65778

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Wekan_project Wekan
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Product)
cve@mitre.org (Vendor Advisory)
cve@mitre.org (Patch)
cve@mitre.org (Release Notes)

Frequently asked questions

What is CVE-2025-65778?: CVE-2025-65778 is a high-severity vulnerability in Wekan_project Wekan, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2025-12-15.
How severe is CVE-2025-65778?: High severity. CVSS v3 base score is 8.1 out of 10.