CVE-2023-38694

Name: CVE-2023-38694
Creator: NVD / NIST
Published: 2023-12-12T17:15:07.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2023-38694 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.1.0, a user with access to a specific part of the backoffice is able to inject HTML code into a form where it is not intended. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.7.0, and 12.1.0, a user with access to a specific part of the backoffice is able to inject HTML code into a form where it is not intended. Versions 8.18.10, 10.7.0, and 12.1.0 contain a patch for this issue.

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

0.41%

32.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Umbraco	Umbraco Cms	>= 8.0.0, < 8.18.10
Umbraco	Umbraco Cms	>= 9.0.0, < 10.7.0
Umbraco	Umbraco Cms	>= 11.0.0, < 12.1.0

References

https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-xxc6-35r7-796wVendor Advisory
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-xxc6-35r7-796wVendor Advisory

Timeline

Published: Dec 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38694?

How severe is CVE-2023-38694?

CVE-2023-38694 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38694?

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-2023-38694?

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

Scan your code now

Source: NVD / NIST