What is CVE-2025-24012?

CVE-2025-24012 is a medium-severity vulnerability in Umbraco Umbraco-cms, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-01-21.

How severe is CVE-2025-24012?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Umbraco Umbraco-cms

CVE-2025-24012

Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, authenticated users are able to exploit a cross-site scripting vulnerability when viewing certain localiz…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (76.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Umbraco Umbraco-cms — versions >= 14.0.0, < 14.3.2, >= 15.0.0, < 15.1.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-wv8v-rmw2-25wc (x_refsource_CONFIRM)
https://github.com/umbraco/Umbraco-CMS/commit/d4f8754f933895b3a329296e25ddea6f84a0aea2 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-24012?: CVE-2025-24012 is a medium-severity vulnerability in Umbraco Umbraco-cms, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2025-01-21.
How severe is CVE-2025-24012?: Medium severity. CVSS v3 base score is 4.6 out of 10.