What is CVE-2025-21616?

CVE-2025-21616 is a medium-severity vulnerability in Makeplane Plane, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-01-06.

How severe is CVE-2025-21616?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Makeplane Plane

CVE-2025-21616

Plane is an open-source project management tool. A cross-site scripting (XSS) vulnerability has been identified in Plane versions prior to 0.23. The vulnerability allows authenticated users to upload SVG files containing malicious JavaScri…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Makeplane Plane — versions < 0.23
Plane

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2025-21616?: CVE-2025-21616 is a medium-severity vulnerability in Makeplane Plane, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-01-06.
How severe is CVE-2025-21616?: Medium severity. CVSS v3 base score is 5.4 out of 10.