CVE-2025-24012

MEDIUMCVSS 5.4/10EPSS 0.26%

Last modified

CVE-2025-24012 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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 localized backoffice components. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

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 localized backoffice components. Versions 14.3.2 and 15.1.2 contain a patch.

Metrics

CVSS 3.1
5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.26%

17.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
UmbracoUmbraco Cms>= 14.0.0, < 14.3.2
UmbracoUmbraco Cms>= 15.0.0, < 15.1.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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 localized backoffice components. Versions 14.3.2 and 15.1.2 contain a patch.
How severe is CVE-2025-24012?
CVE-2025-24012 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2025-24012?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-24012?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST